steel casing
121Cathodic protection — (CP) is a technique to control the corrosion of a metal surface by making it work as a cathode of an electrochemical cell. This is achieved by placing in contact with the metal to be protected another more easily corroded metal to act as the… …
122Bone (corsetry) — 350px|thumb|Spirella side by side with apiece of flat stayIn corsetry, a bone is one of the rigid parts of a corset that forms its frame and gives it rigidity.Purpose, History and MaterialsThe purpose of the boning in a corset varies slightly… …
123List of Pokémon (252–319) — Pokémon has 646 (as of Pokémon Black and White) distinctive fictional species classified as the titular Pokémon. These creatures and entities reside throughout various locations of the fictional Pokémon universe and can be caught by humans… …
124Terminal ballistics — Terminal ballistics, a sub field of ballistics, is the study of the behavior of a projectile when it hits its target. It is often referred to as stopping power when dealing with human or other living targets. Terminal ballistics is as relevant… …
125Pumpjack — Nodding donkey redirects here. For the British Rail train, see Pacer (train). Pump jack redirects here. For the Scaffold, see Pump jack. A diagram of a pumpjack. A pumpjack (nodding donkey, pumping unit, horsehead pump, beam pump, sucker rod pump …
126Die (manufacturing) — For the thread cutting tool, see Tap and die. A die is a specialized tool used in manufacturing industries to cut or shape material using a press. Like molds, dies are generally customized to the item they are used to create. Products made with… …
127P-90 — For other uses, see P90 (disambiguation). P 90 Manufacturer Gibson Period 1946–1957, reissues since 1968 …
128Tube well — A Tube well as the name implies is simply a tube or pipe bored into the underground reservoir, fitted with a strainer at the lower end and worked at the top by a pump, to lift water for irrigation.A Tube well is type of water well in which a long …
