coated sheet
121Plastics extrusion — Cross section of a plastic extruder to show the screw Plastics extrusion is a high volume manufacturing process in which raw plastic material is melted and formed into a continuous profile. Extrusion produces items such as pipe/tubing, weather… …
122Sharon Steel Corporation — The Sharon Steel Corporation was one a steel plant, and is notable due to its contribution toward the growth of the iron and steel industry in the Shenango River Valley, Mercer County, Pennsylvania. The longest surviving was the Sharon Iron… …
123plastic — plastically, plasticly, adv. /plas tik/, n. 1. Often, plastics. any of a group of synthetic or natural organic materials that may be shaped when soft and then hardened, including many types of resins, resinoids, polymers, cellulose derivatives,… …
124Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
125Spirit duplicator — A spirit duplicator (also referred to as a Ditto machine in the United States or Banda machine in the United Kingdom) was a low volume printing method used mainly by schools and churches. It was also used by members of science fiction fandom and… …
126Lenticular printing — Close up of the surface of a lenticular print. Lenticular printing is a technology in which a lenticular lens is used to produce images with an illusion of depth, or the ability to change or move as the image is viewed from different angles.… …
127river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …
128Ballistic vest — A ballistic vest is an item of protective clothing that absorbs the impact from gun fired projectiles and shrapnel fragments from explosion. This protection is for the torso. Soft vests are made from many layers of woven or laminated fibers and… …
