condition air emergency valve
41Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
42nuclear reactor — Physics. reactor (def. 4). Also called nuclear pile. [1940 45] * * * Device that can initiate and control a self sustaining series of nuclear fission reactions. Neutrons released in one fission reaction may strike other heavy nuclei, causing them …
43Kerosene lamp — The kerosene lamp (widely known in Britain as a paraffin lamp) is any type of lighting device which uses kerosene (paraffin) as a fuel. There are two main types of kerosene lamp which work in different ways, the wick lamp and the pressure lamp… …
44Stroke — For other uses, see Stroke (disambiguation). Stroke Classification and external resources CT scan slice of the brain showing a right hemispheric ischemic stroke (left side of image). ICD 10 …
45ABC (medicine) — Opening the airway with a head tilt chin lift maneuver …
46F4U Corsair — Infobox Aircraft name= F4U Corsair caption= An F4U 5NL, previously of the Honduran Air Force, at the Geneseo Airshow, with air intercept radar pod on right wing type= Carrier capable fighter aircraft national origin = United States manufacturer …
47Arresting gear — (A.K.A. A Gear ) is the term used for mechanical systems designed to rapidly decelerate an aircraft as it lands. Arresting gear on aircraft carriers is an essential component of naval aviation, and it is most commonly used on CATOBAR and STOBAR… …
48List of oil field acronyms — Contents 1 # 2 A 3 B 4 C …
49dairy product — Introduction milk and any of the foods made from milk, including butter, cheese, ice cream, yogurt, and condensed and dried milk. Milk has been used by humans since the beginning of recorded time to provide both fresh and storable… …
50MythBusters (2010 season) — Country of origin Australia United States No. of episodes 25 (includes 4 specials) Broadcast Original channel …
