supplied-air suit
81Area 51 — This article is about the U.S. Air Force installation in Nevada. For other uses, see Area 51 (disambiguation). Area 51 …
82Daimler Motor Company — This article is about the Daimler brand and its owner the British automobile manufacturer Daimler Motor Company. See Daimler for other uses derived from the German engineer and inventor Gottlieb Daimler. For the two direct descendants of Daimler… …
83Glossary of SCUBA diving — Here is a glossary of scuba diving terms: Contents 1 A F 2 G L 3 M R 4 S Z A F Altitude Diving  diving at a locat …
84'Allo 'Allo! (series 5) — This article contains episode listings for the fifth series of the British Sitcom series Allo Allo!. The series contains twenty six episodes which first aired between 3 September 1988 and 25 February 1989. Series 5 is longer than any of the other …
85Switzerland — /swit seuhr leuhnd/, n. a republic in central Europe. 7,248,984; 15,944 sq. mi. (41,294 sq. km). Cap.: Bern. French, Suisse. German, Schweiz. Italian, Svizzera. Latin, Helvetia. * * * Switzerland Introduction Switzerland Background: Switzerland s …
86gasoline engine — Most widely used form of internal combustion engine, found in most automobiles and many other vehicles. Gasoline engines vary significantly in size, weight per unit of power generated, and arrangement of components. The principal type is the… …
87Heat exchanger — An interchangeable plate heat exchanger Tubular heat exchan …
88Right- and left-hand traffic —   countries with right hand traffic …
89Oxygen toxicity — Classification and external resources In 1942–43 the UK Government carried out extensive testing for oxygen toxicity in divers. The chamber is pressurised with air to 3.7  …
90Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… …
