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What Is Polycarbonate?

Polycarbonate is a type of plastic that is used in many kinds of industrial and manufacturing applications. The bulletproof windows that are attached to security vans and the compact discs (CDs) that hold music and video are all made from polycarbonate. One of the most important features of...

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What Is Polyvinyl Chloride?

Polyvinyl chloride (also called PVC) is a type of plastic. Many people are actually familiar with it. Nearly all homes are fitted with PVC pipes. It is also used to make anything from water bottles to wall pipes, window frames to wall panels, credit cards to cling film, pens to credit cards. Even...

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What Is Resin?

Resin is an ingredient used in making artwork and polymers. It is also used in the manufacturing of many consumer products. For example, varnish and lacquer—common finishes for furniture—contain resin. It is sometimes incorporated into ink, jewelry and even perfume. Not many people know that amber...

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What Is Steel Rule Die Cutting?

Steel rule die cutting is a fairly easy and straightforward cutting method. It is used for many kinds of materials, from paper to even plastic, foam and rubber. Aside from cutting sheets into different sizes, it can also create perforations, creases, and even slits. The “die” refers to a flat...

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What Is Suede?

Suede is leather with a smooth nap finish. It has a beautiful smooth and velvety texture, but is not as durable as traditional leather. It can be damaged when exposed to water and, once stained, can be difficult or even impossible to clean. Suede items need special cleaning implements and are...

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What Is the Best Way to Clean Suede?

Suede is a beautiful fabric—very smooth and sophisticated, and much prized for bags and shoes. It is also used in home décor. However, suede is quite delicate. It is important to use specialty cleansing products, because even if it is a type of leather, traditional leather cleaners will damage...

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What Is Water Hammer?

No, a water hammer is not a piece of heavy machinery or a new-fangled plumbing tool. It is actually a sound, and a very loud one. When the water flow in the pipes is suddenly shut off, the shock wave (from the shift in water velocity) produces a very distinct knocking or hammering sound, or a...

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What Is the Most Stolen Motorcycle Brand?

According to data published by the National Insurance Crime Bureau (NICB), Honda motorcycles are the brand most often stolen in the United States. From 2006 to 2009, Honda motorcycles accounted for 25% of all motorcycles stolen in the United States, followed by Yamaha (20%), Suzuki (17%),...

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What Is the World Record for the Highest Parachute Jump?

The world record for the highest parachute jump belongs to Colonel Joe Kittinger (USAF, retired), who jumped from a helium balloon at 102,800 feet (over 19 miles) as part of the the U.S. Air Force's Project Excelsior. The purpose of the jump was to test pressure suit design, and to verify that...

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How to Prepare for a Career in Catering

Have you considered a career in catering?  To become a caterer and succeed in your career there are several important things to keep in mind.  Here are five important tips for getting and succeeding in a job in catering. High school students interested in a catering career can prepare...