List and explain the various software applications used as aids in engineering drawing

1. Rhino

Rhino 5 is the world’s most versatile 3D modeler, available for Windows and Mac. With thousands of modeling and editing tools, Rhino is a complete engineering design tool that enables you to create, edit, analyze, document, render, animate, and translate NURBS curves, surfaces, and solids, point clouds, and polygon meshes without any limits on complexity, degree, or size beyond those of your hardware.

Key Features:

Uninhibited free-form 3D modeling tools that enable design engineers to model any shape imaginable

Compatible with all other design, drafting, CAM, engineering, analysis, rendering, animation, and illustration software

Read and repair meshes and extremely challenging IGES files

2. Solid edge

Solid Edge, a portfolio of affordable, easy-to-use software tools, addresses all aspects of the product design and development process for design engineers, including 3D design, simulation, manufacturing, design management, and more. With its synchronous technology, Solid Edge combines the speed and simplicity os direct modeling with the flexibility and control of parametric design.

Key Features:

A growing ecosystem of apps and software tools that include Solid Edge Design, Solid Edge Simulation, Solid Edge Manufacturing, Solid Edge Design Management, and more

Exceptional tools for creating and managing 3D digital prototypes

Guide your projects toward an error-free, accurate design solution

Merges design management capabilities with the CAD tools design engineers use every day.

3. Mech designer

MechDesigner is an engineering design tool that was developed specifically for the design and analysis of machines and products that have moving parts, and for those parts to move the way you want them to move. With MechDesigner, you can ensure that your designs will move smoothly and with precision, even if your machine or product has complex motions, multiple interacting mechanisms, Cams, gears, or CAD designed parts.

Key Features:

CAD/CAE software for design and analysis of machines, cams, mechanisms, and motions

Design and build 3D machines with as many mechanisms as you need

Create, edit, analyze, and view your interacting mechanisms in a 3D environment, plus add solids to the model

Builds mechanisms with efficient kinematic equations that provide exact solutions.

4. Matlab

A high-level language and interactive environment for numerical computation, visualization, and programming, MATLAB is an engineering design tool preferred by millions of engineers and scientists worldwide. With MATLAB, you can explore and visualize ideas and collaborate across disciplines to put your ideas into action.

Key Features:

Numeric computation to use mathematical functions to solve science and engineering problems

Core math functions use processor-optimized libraries to provide fast execution of vector and matrix calculations

Explore, visualize, and model your data

Share results as plots or complete reports

5. Autodesk

Autodesk is best known for its 3D design and engineering software and services. We like Autodesk Product Design Suite because it is a comprehensive 3D product design solution that offers everything design engineers need, from simulation, to collaboration, to visualization, to digital prototyping tools. Complete your entire engineering process with Autodesk Product Design Suite.

Key Features:

Use 2D AutoCAD drawings as a base for inventor layouts

Quickly and easily make product design changes

Integrate electrical and mechanical design

Get to market faster by reducing rework and reusing design data

Reduce manufacturing costs by creating accurate design documentation and evaluating product manufacturability

Fashion Jobs and Fashion Career Advice

By Shay Marie



Picking one out of many fashion jobs generally is an overwhelming challenge. There are several different opportunities in the fashion industry that you might not be sure which one is best for you. With the high demand for fashion jobs, you need to be sure of what it is that you want to do so you can get started on pursuing your dream in this competitive industry. Below you will find descriptions for several fashion jobs and, subsequently, be one step closer to establishing your career in the fashion industry.



1. Fashion Designer

Thanks to shows like Project Runway, there are many people whose curiosity has been rose towards the fashion industry, exclusively, fashion design. A career as a fashion designer seems extravagant and rewarding but it takes a whole lot of work. A fashion designer must be well-informed of the latest trends (and sometimes even be ahead of them) and have the creativity to conceptualize new designs. A fashion designer creates sketches, whether by hand or with computer-aided design (CAD) software, of their designs and must be familiar with fabrics and materials in order to create samples that show what the final product would look like. As a fashion designer you can specialize in clothing design, footwear or accessories. Fashion jobs like that of a fashion designer are prolonged with grueling hours of intensive work and lots of traveling if you want to promote your designs. Fashion designers work under pressure to meet deadlines and make an impression on fashion buyers and other potential clients. As a fashion designer you would need not only talent and creativity but also thick skin and dedication.



2. Fashion Merchandising



Fashion jobs in merchandising can be very challenging. A fashion merchandiser must know what consumers really want, how to present it to them, what they want to pay for it and how to lure them to purchase. A fashion merchandiser is not just an expert in fashion but must also have strong business, financial and advertising skills. As a fashion designer you might find yourself creating budgets, tracking profits and losses, tracking inventory, developing marketing strategies and even putting together creative visual displays to draw in consumers. It's a career that entails many different roles but also has many opportunities to grow and advance in.



3. Fashion Buyer



Fashion buyers are among the most crucial people for brands and companies. They must have good communication skills, be aggressive, organized and driven. As a fashion buyer you work hand in hand with designers, merchandisers and other key people to select what pieces to present to consumers and ensure that best-sellers are continually available. Buyers must be mindful of both current and future trends so they can make the right choices of clothing, shoes, accessories, etc. to ensure high profits. Working with suppliers to negotiate prices suggests that a fashion buyer must have good interpersonal skills, be educated in market costs and also in consumer demands. Fashion buyers must be ready to work under pressure, travel and research and analyze in order to make practical decisions on what products to offer their target customer base.



4. Fashion Director



Fashion directors, also known as creative directors or fashion coordinators, are in charge of the image and look of a store, magazine or a fashion house. They are accountable for that first impression given when people look at ad campaigns, shoots and even fashion films. A fashion director must make sure that the models, photographers, location and concepts characterize the store, brand, or magazine in the best and most genuine way. One of the most well known creative directors in the industry is Grace Coddington who, alongside Anna Wintour and other industry professionals, are a part of American Vogue. In the documentary "The September Issue" we are able to see Coddington showing us her best work and the steps she takes to produce the magnificent spreads in Vogue. Now, don't think it will be a snap landing one of these fashion jobs. Be prepared for long hours of work, creative stumps, frequent traveling, crazy deadlines, and being willing to go back to the drawing board time and time again. Remember, as a fashion director you are responsible for the image of a brand; you produce something that the whole world will see. People will base their opinions on what you present to them. As one of the top fashion jobs in the industry, the pressure is on!



Fashion Jobs - The List Goes On



5. Fashion Forecaster



Probably one of the highest ranking careers in the fashion industry, fashion forecasters do just that, forecast the future trends and styles. This is much more sophisticated than forecasting the weather. Not only does a fashion forecaster need to have in depth knowledge of fashion but he or she must also be creative and surely have the skills necessary to research and analyze potential trends, colors, fabrics and patterns. Fashion forecasters seek inspiration in everything from movies, music, even science and technology. Getting a position as a fashion forecaster is one of the most prestigious of all fashion jobs you could aspire to.



6. Fashion Stylist



A fashion stylist has the easy (or is it?) task of making someone look good. A stylist must be familiar with what colors, fabrics and styles work best to flatter someone's shape while also knowing ways to accessorize and finish the perfect outfit. Fashion stylists are responsible for picking the best pieces for photoshoots, events, etc. and putting them together for the final product. A stylist's reputation lies on how good the client looks and, in the case of ad campaigns, whether or not the stylist can communicate the image and vision of a product. Don't be surprised if, as a fashion stylist, you find yourself traveling for motivation or shopping for clothing, or even spending a day (or a few) revamping a client's closet. Finding fashion jobs for stylists can be as uncomplicated as working as a personal shopper or styling photo shoots for websites or local magazines or newspapers.



7. Fashion Photographer

It's not just about knowing just how to take a good picture. Fashion photographers basically have two fields to be good at: fashion and photography. The photography part consists of knowing what angles, lighting, etc. As far as the fashion, photographers really need to be experts in that as well. A fashion photographer should always know what the best trends are, top designers, top fashion events and any other heavy hitter aspects of the industry. Fashion jobs in this field can consist of taking pictures for model portfolios, ad campaigns, and fashion shows. Fashion photographers are responsible for producing a shot that requires excellent technical skills and extensive fashion knowledge. For example, when a fashion photographer goes to shoot at a fashion show he or she must know exactly when to snap the shot of that model wearing the flowing dress. The picture must showcase how the fabric moves and flows instead of displaying a dress that falls limp and drags on the floor. A fashion photographer works hand in hand with stylists, makeup artists and models to ensure that the final product is efficient in sending a visual message.



8. Fashion Editor



Fashion editors supervise the direction of a fashion publication, website and other media. They are in charge for editing a fashion writer's work, making suggestions, and researching the possibilities of future stories. Fashion writers must be aware of trends and classics to assure that coverage is provided for the target audience. A fashion editor works under the pressure of meeting deadlines, supervising writers, discovering features and fresh ideas all while staying current on the industry and scanning the levels of competition. Some of the qualities necessary for one of these fashion jobs are being organized, punctual, able to communicate verbally and have impeccable writing and journalistic skills. Being one of the most competitive fashion jobs in the industry, a fashion editor should be ready to put some hard work in and spend long nights brewing up excellent, creative content.



9. Fashion Writer



Being a fashion writer is not as easy as picking up a pen and paper (or laptop, tablet, etc.) but includes extensive amounts of research. Fashion writers must be current on their knowledge of fashion and creative when drumming up writing ideas. Of course, outstanding writing skills are a must and meeting deadlines are also fundamental in this career. Fashion writers can execute interviews, cover fashion events and supply reviews of products. You have a choice of working as a freelance writer, with television shows, websites, blogs, smaller publications like local magazines and newspapers or with major publications such as Vogue or Elle, among others. This is one of those fashion jobs where you can find many opportunities and can be fairly simple to get started.



10. Fashion PR (Fashion Public Relations)



Creating a good consumer opinion is of the utmost importance for this fashion job. Where advertising and marketing can create a consumer desire to purchase a certain fashion item, public relations handles the image in its relation to the public eye. Public opinion can gauge the success and longevity of a company. Out of all the fashion jobs mentioned, fashion pr is the piece that ties it all together.



Fashion Jobs that Require WORK!



Whatever one of these fashion jobs you determine to make your career, remember that in such a reasonably competitive industry it's important to put in a lot of hard work and to be determined. All employers look for something that make their next hire special and capable of making their publication, line, show, or website shine amongst the rest. What is it that you have to offer that others don't have? How motivated are you? Tell us, which one of these fashion jobs appeal to you the most?

How to Become a Successful Fashion Designer

By Genyfer Spark

If you are like me you live and breathe fashion. You are constantly inspired with so many new designs racing through your mind, so many you can't seem to get them all down quick enough at the pace they arrive. You constantly dream of the day your fashions will be on the fashion runway with the lights beaming brightly overhead, the cameras flashing everywhere and the audience being completely mesmerized by your incredible designs. You can't stop thinking of the day you will open a magazine or watch the Oscars and see a famous celebrity in one of your breathtaking designs. Your book shelf is stocked with fashion books and magazines, and you absolutely can't resist visiting textile stores to view all the latest fabrics, decorative beads, rhinestones and trims.



It's this ever present dream of being a successful fashion designer that has you work day and night on your designs in most cases for many years without pay and working a job to pay the pills which is brutal torture, when all you can think about is living and working in fashion.



Famous fashion designers come from all walks of life there is no one system to follow that will have you become the next famous fashion designer. Some have graduated from elite fashion schools and some have never attended fashion school. Some have undertaken a fashion internship with a fashion house and others have made their own designs in their basement. The only elements all these fashion designers have in common is they had an intense passion for fashion, were able to design fashions highly sought after and connected with someone who gave them the opportunity to break into the fashion industry. It is essential in becoming a successful fashion designer you get you and your designs out there as much as possible, as how will anyone know about your fashions if they can't see them?



In getting your fashions out there here are a few things you can do:



1. We are not usually good at everything some of us are great at designing clothes but lack the sewing and pattern making skills. It is here you can partner with someone who shares your passion for fashion and has the skills you lack. It is in the bringing together of different skills you can create a real product that can be showcased.

2. In having a fashion line of 14 outfits you can apply to your local fashion week. In the USA: New York, Los Angeles and San Francisco all have fashion weeks. These fashion weeks attract many editors, journalists and local socialites who will see your fashions and potentially give you the exposure you need to get known.

3. Many city night clubs hold fashion shows, find out what night clubs hold fashion shows and contact them as to how you can be apart of an up and coming show.

4. Locate fashion boutiques that cater to the fashions you design, first make a trip to the stores to look around, if you can see your clothes fitting in well with the store, find out who the owner is and ask if they would be willing to have some of your fashions offered for sale in their store. You will be amazed at how many store owners are willing to work with you. I walked around San Francisco in the Nob Hill district and had my fashions placed after visiting and discussing my product with four boutiques. In having your fashions displayed you will receive valuable insights as to whether or not your designs are in demand and if you need to change your designs to increase sales. It will also give you free exposure to the public. When your fashions do sell you can present this to investors who are more than willing to invest in your line, when you prove the existence of a strong demand for your fashions.

Tips on Buying Children's Clothes

By Martin Ramirez Metz



Parenthood is all about making the right decisions for your children. Apart from choosing their food, school, and toys, you also have to think about your children's clothes. Although it may seem easy, picking children's clothes is a little complicated because there are so many sizes, colours, and designs to choose from. Here are some tips to follow if you want to find the right clothes for your kids.

Determine the Children's Age



The sizes of children's clothes vary depending on age. Be sure to find the right age range so the clothes will fit properly. Take note of your kids favourite colour, images,and cartoon characters before choosing new clothes. You can also ask other parents about the most popular trends for children to help you make the right decision.



Shopping for Children's Clothes



The department store is still the best place to shop for children's clothes. Then again, there are more options out there if you are after affordability and variety. In case you are on a budget, check out thrift stores for affordable kid's clothes. Specialty stores meanwhile have more variety, although the clothes they offer are pricier.



You can also buy from second-hand shops if you really want to save money. Some second-hand stores have a good collection of children's clothes. Be sure to wash the clothes thoroughly before letting your children use them.



Check Clothes before Buying Them



Check several pieces of baby clothing before purchasing the one you need. Get at least two sets of clothes especially if you are using them for special events like birthdays. Do not forget to check the clothes materials as well. Make sure your child is not allergic to them. Ask the store attendant if the clothes you chose are appropriate for your children's age.



Take Advantage of Discounts and Promos



As much as possible, buy kid's clothes when there are available discounts and promos to save money. You do not really need to spend a lot of money on children's clothes because your kids will outgrow them quickly. In short, you will be replacing these clothes in a few months. Check out discounts and promos by visiting the websites of department stores and thrift stores.



Keep a Record



Keep track of how much you are spending on kid's clothes. Slow down if you think you are already overspending. It is better if you can allot a monthly budget for your kid's clothes so you can reduce your spending. There is no need to buy new clothes all the time as long as they still fit and are in good condition.



Do not forget to wash your children's clothes regularly to maintain their good condition. Repair them by replacing buttons or by sewing torn parts.



Ask your Friends and Family for Used Clothes



You do not need to buy new clothes or even second-hand clothes for your children. You can ask for hand-me-down clothes from your friends and family to save money.



Choosing the right baby clothing for your kids is not difficult if you consider the tips mentioned in this article. You can also ask your friends and loved ones for tips before buying clothes for your children.

Uses Of O pay - Digital Service Limited

What you can Do with OPay App

The OPay app is a one stop shop for all Opera services. Here are some of the thing you can do on OPay:

• Buy Airtime: You can buy airtime for your mobile phone and other people. MTN, Glo, 9Mobile, and Airtel are currently supported


• Buy Data: You can buy data plan for any mobile phone. MTN, Glo, Airtel, and 9Mobile are currently supported by this service.


• Subscribe to Pay TV: You can subscribe to Satellite and Terrestrial Pay TV services like DSTV, GOTV, and Startimes.


• Pay Electricity Bill: You can now pay for Electricity. Distribution company (Discos) currently supported include Abuja, Eko, Ibadan, Ikeja, Kano, and Port Harcourt


• Hail a Ride: There are a number of hailing services offered by OPay. You have ORide for hailing bikes, OCar for hailing cars (similar to Uber), OTrike for hailing tricycles, and OBus for hailing Bus.


• Order Food Delivery: You can order food from local restaurants near you.


• Transfer Money: You can transfer money to other OPay users or to a bank account.


• Pay with QR: This is a new service that will enable you pay for goods and services conveniently at physical locations and brick n mortar stores. Merchants that support OPay QR will have a sign indicating so. After shopping just scan the QR code to make payment.


• Receive Money by QR: As an OPay user. This means can scan your QR code to send you money.


• Get a Quick Loan: Using the OKash service you can get a quick short term loan.


• Make Investment: OWealth offers 10% annual rate on your investment.


• Fund your Betting Account: You can fund your betting account on OPay. Sports Betting services currently supported on OPay include NairaBet, Bet9ja, Supabets, and Cloudbet


• List your Products and Services: OList is a classified ads site that enable you post ads about your business.


• Build and Online Presence: OLeads is a service that enables you build a website in minutes. It is a very easy, fast, and affordable way to build online presence for your business.

How to Fund your OPay Wallet

There are a few ways to fund your OPay account depending on whether you have a bank account or not.

If you Have a Bank Account

If you already have a bank account, you can add funds to your OPay wallet via your bank account. There are two methods you can use.

The first method (my preferred method) is to  make a transfer from your bank account using internet banking or mobile banking app to the phone number you used to signup for OPay removing the first zero as your account number and Paycom as bank.

This means that if your registration phone number is 08111111111, the account number to send the money to is 81111111111.

Banks currently supporting direct transfer to OPay include GTBank, First Bank, Access Bank, Zenith Bank, UBA, Stanbic IBTC, Diamond Bank, Wema Bank, Sterling Bank, FCMB, Union Bank, and Heritage Bank.

The second method for funding your OPay wallet is to add your ATM card / debit card to your OPay account. You just add the credentials and you are good to go.

If you do not have a bank account or can’t access it, or just want to fund with cash

For people without a bank account, you need to use an OPay agent to fund your account. You give then cash and your OPay number and they send you the electronic value to your OPay wallet.

To find an OPay agent near you, just open the app and tap Nearby agents, you will get all agents near you with their address and even phone number.

This method can also be useful to people who have bank account, if for whatever reason you cannot access your account or it is just more convenient to fund your wallet with cash. You will not be charged any fee for depositing fund to your wallet via an agent.

How to Withdraw from your OPay Wallet

There are various ways to withdraw funds from your wallet. This depends on whether you want to withdraw cash or you want to withdraw to your bank account.

To withdraw cash you need to visit an OPay agent near you and request a withdrawal. The agent will give you their OPay number, you transfer the fund to them and they give cash less the transaction.

While depositing funds to OPay via agent is free, withdrawing funds comes with a transaction cost ranging from 50 Naira to 1,500 Naira.

To withdraw to bank account, just tap on Transfer, then in Send to options select Bank. Now choose your, bank, account number, and amount you want to transfer and tap Done.

How to Transfer Funds to other OPay users

If you have funds in your wallet, it is very easy to transfer money to another OPay user. Tap the Transfer icon, then choose OPay in the Send to option.

Now, enter the recipient’s phone number (registered number) and the amount you want to transfer and tap Done.

O pay - Digital Service Limited

 Opay is an ePayment wallet launched by Opera software company the developers of the popular Opera mini web browser. It is a mobile payment platform that allows its users to pay for goods and services electronically using a mobile phone via the OPay App.

To boost the usage of OPay, Opera has launched a couple of services that accepts OPay as the exclusive payment methods. Opera services like ORide, OTrike, OFood, OBus, OWealth, OLeads, OKash, OCar, OList and so on all accept OPay as the exclusive payment method.

Opera is also using highly discounted prices and deals to create buzz for its services and boost their usage. This strategy seems to be working as Opera services are now near household names in cities where Opera services have been launched in Nigeria.

Opay  is a mobile service that offers you a lot. Like we really mean a great deal of services to choose from. This is the reason why it is now used widely in Nigeria and a couple of other countries in Africa.

With the app, you can recharge your phone in a jiffy without stressing yourself to go out to buy airtime. You can just simply download the OPay App on the Google Play store and start using it to recharge your phone and for network top-up buy data plan, right there in your app.

You need to fund your e-wallet so that it can be used when the need arises. Once you fund your wallet, you can buy airtime or transfer cash from your account to another person’s account on the OPay app.

Given that you have money in your bank account, you can transfer for such a little change. There are so many benefits to having the OPay app it’s so amazing!

We will be looking at all these and more in the next article. read more about the uses of opay - digital service limited

How to Draw a Pyramid in Microsoft Word

In Microsoft Word, Pyramid is a tool to show relationship between unit and different Quantities. It is available in Insert menu-chart menu. This diagram is based upon two different type of data. The data which you want to show in a statistical medium. For representing the Data in Statistical medium we put one data in X axis and other Y axis.



For Representing data in this medium you perform given steps



Go to Insert menu

Chart menu

Choose pyramid category

After choosing category an Excel sheet open with the pyramid chart

Data are entered into Excel field.





Thus we create the pyramid of any type of data.



After creating pyramid you can change the design, look of your chart representation



In this tool there were three major Area first Floor area, Plane area, and The pyramid.



On right clicking Floor, Plane or Pyramid you choose format option for changing colour line design etc.



This option is also helpful to show multiple data in statistical way. By using this option you provide different type data as food and their content. Food and their content ratio is one of the fine example of pyramid diagram.



Population pyramid is one of the best example of pyramid diagram. This is a very effective manner to compare male and female population. By using this type of pyramid you can show about health status of the city, nations. The top part of Pyramid shows no of older people and lower part of this show birth rate or number of infant.

SAS Statistical Analysis Software Can Save an Enterprise Millions

By Robert Stein

SAS (Statistical Analysis System)  is a 4th generation procedural language that allows programmers to use statistical data analysis and data dining to build descriptive and predictive statistical models. Data mining is the process of discovering previously unknown, actionable and profitable information from large consolidated databases and using it to support tactical and strategic business decisions and it is made very easy with SAS.



The statistical techniques of data mining include linear and logistic regression, multivariate analysis, principal components analysis, decision trees and neural networks. Traditional approaches to statistical inference fail with large databases, however, because with hundreds of thousands or millions of cases and hundreds or thousands of variables there will be a high level of redundancy among the variables. With this data, there will be spurious relationships, and even the weakest relationships will be highly significant by any statistical test. The objective with SAS is to build a model with significant predictive power. It is not enough just to find which relationships are statistically significant.



Other capabilities included SAS modeling management & deployment which streamlines the process of creating, managing and deploying analytical models. Another capability of the language is forecasting or analyzing and predicting outcomes based on statistical historical patterns. Econometrics, statistical methods to economic data, problems and trends is also available.  The language also allows for continuous quality assurance and improvement by the ability to identify, monitor and measure quality processes over time. Operations research is also available by applying techniques such as optimization, scheduling, and simulation to achieve the best results over time.

Statistics Help Tips for Students

By B. Jacob

Statistics is easily one of the most widely used areas of math. We are presented with information in the form of averages, percentages, and rates of change almost every day. Statisticians work in a variety of fields as researchers and analysts. Of course, all this doesn't stop it from being a tad difficult when you are studying it.



Statistics will be easier to study when students understand why they're studying it and what knowledge of statistics is useful for. One of the first steps to learning statistics is to understand the new terms you come across and what it means. If you need some ideas to make learning statistics simple and fun, try going through these.



Ways to Learn Stats Effectively



1. Statistics may seem vast but it's built on a few basic principles. Focus on learning and understanding these. Once you've done this, you'll find that everything else you learn in stats is just an extension of these concepts.



2. Have a regular time for studying statistics in place. Set aside an hour or two daily to study stats. This way you cover material the same day that it's been taught, and have time to finish assignments and work on a few practice problems as well.



3. Try to finish homework assignments by yourself. After you've understood the theory, try solving the problems without referring to a textbook or your class notes. This will get your brain working and eventually, you'll be able to figure out the approach and method for any question in a jiffy.



4. Round up a few classmates and organize a study group. Get together regularly to practice, share notes, and crack tough problems. You will benefit from the knowledge sharing, while being able to clarify doubts as well.



5. Perhaps the most important thing to remember is to keep trying till you get it right. Some parts of statistics will be very easy while other bits will need time and patience. Often, a concept will make complete sense only after you move ahead and cover more topics.



Putting these steps into practice should provide you with a systematic framework for learning statistics, which will help you stay ahead of your classes.



Still find statistics tough? You can always get extra help from a statistics tutor. Tutoring has shifted to the online space which makes it easier than ever to find good help.



Statistics Help Online



Finding great tutors is a snap when you have numerous online tutoring services to choose from. Not only do students get to pick their tutor, they can also schedule sessions for any time they want. You can also find plenty of statistics worksheets and other resources like quizzes and mock tests to help you get ready for tests and exams. Statistics homework help is provided by the tutors as often as required, enabling students to finish their work on time.