air release valve
41Doxa S.A. — Doxa S.A. is a Swiss company, founded in 1889, that manufactures watches. Doxa is best known for its dive watches. Contents 1 Company history 2 Doxa Innovations 3 In the media 4 …
42Submarine — For other uses, see Submarine (disambiguation). A Japan Maritime Self Defense Force Oyashio class submarine in 2006 A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which… …
43pharmaceutical industry — Producers of pharmaceuticals, substances used in the diagnosis, treatment, and prevention of disease and the modification of organic functions. The earliest records of medicinal plants and minerals are those of the ancient Chinese, Hindu, and… …
44MythBusters (2007 season) — Country of origin Australia United States No. of episodes 25 (includes 4 specials) Broadcast Original channel Discovery Channel …
45balloon flight — ▪ aviation Introduction passage through the air of a balloon that contains a buoyant gas, such as helium or heated air, for which reason it is also known as lighter than air free flight. Unmanned balloons have been used to carry meteorological… …
46Robert brothers — Anne Jean Robert Born 1758[1] Paris Died 1820[1] Paris Other names l aîné, (the elder) …
47Carbonated water — Carbon dioxide bubbles in a carbonated soft drink. Carbonated water (also known as club soda, soda water, sparkling water, seltzer, or fizzy water) is water into which carbon dioxide gas under pressure has been dissolved, a process that causes… …
48Nissan Skyline — Manufacturer Prince Nissan Production 1957–present Class Compact car (1957–1989) …
49Davis Submerged Escape Apparatus — A Davis Submerged Escape Apparatus The Davis Submerged Escape Apparatus (also referred to as DSEA), was an early type of oxygen rebreather invented in 1910 by Sir Robert Davis, head of Siebe Gorman and Co. Ltd., inspired by the earlier Fleuss… …
50British European Airways Flight 548 — Infobox Aircraft accident|name=British European Airways Flight 548 Crash Date=18 June 1972 Type=Deep stall aircraft misconfiguration caused by pilot error Site=Staines, England Fatalities=118 Injuries=0 Aircraft Type=Hawker Siddeley Trident 1C… …
