Health and Safety How to work safely at a computer All jobs have elements of risks to your health. Some maybe more than others. Even working at a computer poses a risk on your health and well-being. The risk? Upper limb disorders (ULD’s) or repetitive strain injuries (RSI’s) Now in order to reduce the risk of suffering from these problems‚ it is essential to understand how you get them in the first place. ULD’s normally occur when you have a job which requires a lot of twisting
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risks in the vision of meeting success. Entrepreneurs are a perfect example of these descriptions. When creating a business‚ one must overcome obstacles‚ find solutions‚ and take many risks. That is why entrepreneurs must be reckless because as Michael Jordan once said‚
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How Cell Phones Work Cell phones are very interesting! Have you ever wondered how a cell phone works? Well we have. Cell phones have changed a lot since 1984. The first cell phone that came out was called the Dyna TAC8000X. (top left) It weighed 2 pounds! The brick only offered a half-hour of talk time for every charge. You could get this amazing device for $3‚994! The man who invented this phone is Ruby Knopp. (top left) He also invented the newer modern Motorola Razor. (top middle) Some of
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How Credit Cards Work Have you ever stood behind someone in line at the store and watched him shuffle through a stack of what must be at least 10 credit cards? Consumers with this many cards are still in the minority‚ but experts say that the majority of U.S. citizens have at least one credit card -- and usually two or three. It’s true that credit cards have become important sources of identification -- if you want to rent a car‚ for example‚ you really need a major credit card. And used wisely
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up compounds that need to be tested‚ taking those compounds with it. Through adsorption‚ the mobile phase separates into different components (soinc). The mobile phase can be liquid‚ gas‚ or supercritical fluid. How Does Chromatography Work? Chromatography is a surface effect. It works by first starting off with an unidentified liquid being injected into a column. As the chemicals in the liquid move down the column‚ they separate depending on their physical and chemical attributes‚ such as speed
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How Do Helicopters Fly? How do helicopters work? Helicopters are the most versatile flying machines in existence today. This versatility gives the pilot complete access to three-dimensional space in a way that no airplane can. If you have ever flown in a helicopter you know that its abilities are exhilarating! The amazing flexibility of helicopters means that they can fly almost anywhere. However‚ it also means that flying the machines is complicated. The pilot has to think in three dimensions
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algebra system with a friendly user interface. It works in parallel with your teaching to help students stay engaged in math and science. Algebra and geometry students benefit from fast‚ clear equation-solving‚ while more Top 3 advanced reasons students get to use it help in subjects such as calculus‚ trigonometry‚ physics‚ and chemistry. 1) Free and easy. Microsoft Mathematics is a free download that’s easy to install. It works with PCs and Windows® operating systems. The approachable
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How Nuclear Power Works The nuclear power plant stands on the border between humanity’s greatest hopes and its deepest fears for the future. On one hand‚ atomic energy offers a clean energy alternative that frees us from the shackles of fossil fuel dependence. On the other‚ it summons images of disaster: quake-ruptured Japanese power plants belching radioactive steam‚ the dead zone surrounding Chernobyl’s concrete sarcophagus. But what happens inside a nuclear power plant to bring such marvel
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How Your Heart Works [pic] Your heart is a pump. It keeps blood moving around your body. The blood delivers oxygen and nutrients to all parts of your body‚ and carries away unwanted carbon dioxide and other waste products. The heart has four chambers - two on the left side and two on the right. The two upper chambers are called the atria‚ and the two lower chambers are called the ventricles. The two sides of the heart are divided by a muscular wall called the septum. Each side of the heart
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Jeff Bezos – Founder and CEO of Amazon.com An entrepreneur is a person who initiates and manages a business on his own at a financial risk. Some fine examples are: Sir Richard Branson‚ Bill Gates‚ Steve Jobs‚ Dhirubhai Ambani and Jamsetji Tata. Another great entrepreneur is Jeff Bezos‚ the founder of the online megastore‚ Amazon.com. Jeffrey P. Bezos was born on January 12‚ 1964 in Albuquerque‚ New Mexico. At the age of four‚ after his mother’s second marriage‚ Bezos moved to Houston‚ Texas
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