emergency shutdown valve
41Mercury-Redstone 2 — Mission insignia Mission statistics Mission name Mercury Redstone 2 Spacecraft mass Launch: 1,203 kilograms (2,650 lb) Crew siz …
42Nuclear power in Sweden — …
43Mercury-Redstone 4 — Mission insignia Mission statistics Mission name Mercury Redstone 4 Spacecraft name Liberty Bell 7 Spacecraft mass 1,286 …
44petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
45Nuclear energy policy of the United States — For other uses, see Nuclear policy of the United States. George W. Bush signing the Energy Policy Act of 2005, which gave extensive funding and aid to help reinvigorate the nuclear industry in America. The nuclear energy policy of the United… …
46Soviet submarine K-19 — This article is about the Soviet submarine K 19. For the 2002 film dramatization of events involving the submarine, see K 19: The Widowmaker. For other uses, see K 19 (disambiguation). Not to be confused with Soviet submarine K 219. Career (USSR) …
47Ozone depletion — Image of the largest Antarctic ozone hole ever recorded (September 2006) Ozone depletion describes two distinct but related phenomena observed since the late 1970s: a steady decline of about 4% per decade in the total volume of ozone in Earth s… …
48List of military nuclear accidents — This article lists notable military accidents involving nuclear material. Civilian accidents are listed at List of civilian nuclear accidents. For a general discussion of both civilian and military accidents, see nuclear and radiation accidents.… …
49Industrial Review — ▪ 1994 Introduction The period since 1990 was proving a difficult time for the older industrialized economies, which had suffered from prolonged recession at home, and also for the previously centrally planned economies of Eastern Europe… …
50Mercury-Redstone BD — Mission insignia Mission statistics Mission name Mercury Redstone BD Spacecraft mass 1,141 kilograms (2,520 lb) Crew size 0 …
