sealing water pump
51Metal bellows — are elastic vessels that can be compressed when pressure is applied to the outside of the vessel, or extended under vacuum. When the pressure or vacuum is released, the bellows will return to its original shape (provided the material has not been …
52Supermarine Spitfire (early Merlin powered variants) — Infobox Aircraft name =Spitfire type =Fighter manufacturer =Supermarine caption =Spitfire Vc launching from USS Wasp designer =R. J. Mitchell first flight =5 March 1936 introduction =1938 retired =1955, RAF status = primary user =Royal Air Force… …
53vacuum technology — Introduction all processes and physical measurements carried out under conditions of below normal atmospheric pressure. A process or physical measurement is generally performed in a vacuum for one of the following reasons: (1) to remove the …
54mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …
55Screw cap — A screw cap or closure is a common type of closure for bottles, jars, and tubes. Common screw closures: Plastic bottle with plastic screw cap, Dispensing closure for salad dressing (with inner seal), Break away closure for syrup, Dispensing pump… …
56Spud gun — For the child s toy which fires small pieces of potato, see spud gun (toy). A pneumatic potato cannon A potato cannon (also known as a spud gun or spudzooka ) is a pipe based cannon which uses air pressure (pneumatic), Propellant, or… …
57London — /lun deuhn/, n. 1. Jack, 1876 1916, U.S. short story writer and novelist. 2. a metropolis in SE England, on the Thames: capital of the United Kingdom. 3. City of, an old city in the central part of the former county of London: the ancient nucleus …
58Electric Line — The term wireline usually refers to a cabling technology used by operators of oil and gas wells to lower equipment or measurement devices into the well for the purposes of well intervention and reservoir evaluation. Braided line can contain an… …
59Baby bottle — A baby bottle is a bottle with a teat (also called a nipple in the US) to drink directly from. It is typically used when a mother does not breastfeed, or if someone can not (as conveniently) drink from a cup, for feeding oneself or being fed.In… …
60Passive house — The term passive house ( Passivhaus in German) refers to the rigorous, voluntary, Passivhaus standard for energy use in buildings. It results in ultra low energy buildings that require little energy for space heating or cooling. [… …
