insulated coating
121Twin and earth — is a name for a type of mains electricity cable. It comprises two sheathed current carrying conductors and an unsheathed protective conductor. Line and neutral are individually insulated, the earth conductor is bare. There is an overall sheath of …
122Child-resistant packaging — or C R packaging is special packaging used to reduce the risk of children ingesting dangerous items. This is often accomplished by the use of a special safety cap. It is required by regulation for prescription drugs, over the counter… …
123Lake — For other uses, see Lake (disambiguation). Oeschinen Lake in the Swiss Alps A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the… …
124horticulture — horticultural, adj. horticulturist, n. /hawr ti kul cheuhr/, n. 1. the cultivation of a garden, orchard, or nursery; the cultivation of flowers, fruits, vegetables, or ornamental plants. 2. the science and art of cultivating such plants. [1670… …
125microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… …
126wire — wirable, adj. wirelike, adj. /wuyeur/, n., adj., v., wired, wiring. n. 1. a slender, stringlike piece or filament of relatively rigid or flexible metal, usually circular in section, manufactured in a great variety of diameters and metals… …
127welding — Technique for joining metallic parts, usually through the application of heat. Discovered in the 1st millennium AD during attempts to manipulate iron into useful shapes, the technique produced a strong, tough blade. Welding traditionally involved …
128environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
