power per pound
81Silicon — Not to be confused with the silicon containing synthetic polymer silicone. aluminium ← silicon → phosphorus C ↑ Si ↓ Ge …
82Strength training — This article is about the basic principles to train muscular strength. For strength training using free weights or weight machines, see weight training. The lat. pulldown, which strengthens the arms and back Strength training is the use of… …
83Slate industry in Wales — The slate industry in Wales began during the Roman period when slate was used to roof the fort at Segontium, now Caernarfon. The slate industry grew slowly until the early 18th century, then expanded rapidly until the late 19th century, at which… …
84Electrical steel — Surface of grain oriented electrical steel with removed coating, with visible grains of crystallites Electrical steel, also called lamination steel, silicon electrical steel, silicon steel or transformer steel, is specialty steel tailored to… …
85DH-1 — This page refers to the DH 1[1] rocket proposal, not the Airco DH.1. The DH 1 is a reusable two stage to orbit rocket proposed in the book The Rocket Company by Patrick J. G. Stiennon, David M. Hoerr, Doug Birkholz (AIAA, 2005). The concept is… …
86chemical industry — Introduction complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives. Although the chemical industry may be described simply as the industry that uses chemistry and… …
87Tellurium — (pronEng|tɪˈlʊəriəm/, /tɛl ) is a chemical element that has the symbol Te and atomic number 52. A brittle silver white metalloid which looks like tin, tellurium is chemically related to selenium and sulfur. Tellurium is primarily used in alloys… …
88Dry cleaning — (or dry cleaning) is any cleaning process for clothing and textiles using a chemical solvent other than water. The solvent used is typically tetrachloroethylene (perchloroethylene), abbreviated perc in the industry and dry cleaning fluid by the… …
89Castor oil — is a vegetable oil obtained from the castor bean (technically castor seed as the castor plant, Ricinus communis , is not a member of the bean family). Castor oil (CAS number 8001 79 4) is a colorless to very pale yellow liquid with mild or no… …
90Fiberglass — This article is about the plastic composite. For insulation material, see glass wool. For the fiber itself, see glass fiber. Fiberglass (also called glass reinforced plastic, GRP[1], glass fiber reinforced plastic, or GFRP[2]), is a fiber… …
