rubber insulation
91History of electromagnetism — The history of electromagnetism, that is the human understanding and recorded use of electromagnetic forces, dates back over two thousand years ago, see Timeline of electromagnetism. The ancients must have been acquainted with the effects of… …
92Portable cord — A portable cord, which is also known as portable cordage or flexible cord, is a cable with multiple conductors used for functions requiring flexibility. The cord can be employed for power in a range of applications, such as operating motors in… …
93Bunny boots — is the widely used nickname for the Extreme Cold Vapor Barrier Boots (Type II) used by the United States armed forces. The liner less bulbous boots retain warmth by sandwiching up to one inch of wool and felt insulation between two layers of… …
94polyurethane — /pol ee yoor euh thayn , yoo reth ayn/, n. Chem. a thermoplastic polymer containing the group NHCOO: used for padding and insulation in furniture, clothing, and packaging, and in the manufacture of resins for adhesives, elastomers, and fillers.… …
95agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …
96Stethoscope — Modern stethoscope. The stethoscope (from Greek στηθοσκόπιο, from στήθος, stéthos chest and σκοπή, skopé examination) is an acoustic medical device for auscultation, or listening to the internal sounds of an animal body. It is often used to… …
97Celanese — (NYSE|CE) is a large American chemical company based in Dallas, Texas. The company produces chemicals, fibers, pharmaceuticals and plastics, such as the thermoplastic cellulose acetate used to produce cigarette filters. [… …
98Transformer types — Circuit symbols Transformer with two windings and iron core. Step down or step up transformer. The symbol shows which winding has more turns, but not usually the …
99Southern Africa — Introduction southernmost region of the African continent, comprising the countries of Angola, Botswana, Lesotho, Malawi, Mozambique, Namibia, South Africa, Swaziland, Zambia, and Zimbabwe. The island nation of Madagascar is excluded… …
100Quiet PC — A quiet PC is a personal computer that makes little noise. Common uses for quiet PCs include video editing, sound mixing, home servers, and home theater PCs. A typical quiet PC uses quiet cooling and storage devices and energy efficient… …
