glass-fibre insulation
31Insulator (electrical) — Ceramic insulator at railways Conducting copper wire insulate …
32cable — cablelike, adj. /kay beuhl/, n., v., cabled, cabling. n. 1. a heavy, strong rope. 2. a very strong rope made of strands of metal wire, as used to support cable cars or suspension bridges. 3. a cord of metal wire used to operate or pull a… …
33Cable — /kay beuhl/, n. George Washington, 1844 1925, U.S. novelist and short story writer. * * * (as used in expressions) Cable News Network cable modem cable structure cable television coaxial cable * * * ▪ electronics …
34wood — wood1 woodless, adj. /wood/, n. 1. the hard, fibrous substance composing most of the stem and branches of a tree or shrub, and lying beneath the bark; the xylem. 2. the trunks or main stems of trees as suitable for architectural and other… …
35Wood — /wood/, n. 1. Grant, 1892 1942, U.S. painter. 2. Leonard, 1860 1927, U.S. military doctor and political administrator. * * * I Hard, fibrous material formed by the accumulation of secondary xylem produced by the vascular cambium. It is the… …
36agricultural 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… …
37Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
38Duct (HVAC) — A round galvanized steel duct connecting to a typical diffuser Fire resistance rated …
39Types of concrete — There are many types of concrete, variations of installation, composition, finish and performance characteristics. A highway paved with concrete …
40Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… …
