plastic-coated steel
121Fountain pen — A fountain pen is a nib pen that, unlike its predecessor the dip pen, contains an internal reservoir of water based liquid ink. From the reservoir, the ink is drawn through a feed to the nib and then to the paper via a combination of gravity and… …
122Powder metallurgy — is the process of blending fine powdered materials, pressing them into a desired shape (compacting), and then heating the compressed material in a controlled atmosphere to bond the material (sintering). The powder metallurgy process generally… …
123Sand casting — Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material. It is relatively cheap and sufficiently refractory even for steel foundry use. A suitable bonding agent (usually clay)… …
124elastomer — elastomeric /i las teuh mer ik/, adj. /i las teuh meuhr/, n. Chem. an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene. [1935 40; ELAST(IC) + O + Gk méros a part] * * * ▪ chemical… …
125environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
126Nail (fastener) — A pile of nails. In woodworking and construction, a nail is a pin shaped, sharp object of hard metal or alloy used as a fastener. Formerly wrought iron, today s nails are typically made of steel, often dipped or coated to prevent corrosion in… …
127Epoxy — In chemistry, epoxy or polyepoxide is a thermosetting epoxide polymer that cures (polymerizes and crosslinks) when mixed with a catalyzing agent or hardener . Most common epoxy resins are produced from a reaction between epichlorohydrin and… …
128architecture — /ahr ki tek cheuhr/, n. 1. the profession of designing buildings, open areas, communities, and other artificial constructions and environments, usually with some regard to aesthetic effect. Architecture often includes design or selection of… …
