normal operating period
51Loss of pressure control accident — Most commercial types of nuclear reactor use a pressure vessel to maintain pressure in the reactor plant. This is necessary in a pressurized water reactor to prevent boiling in the core, which could lead to a nuclear meltdown. This is also… …
52Citroën 2CV — Manufacturer Citroën Production 1948–1990 [1] …
53Failure rate — is the frequency with which an engineered system or component fails, expressed for example in failures per hour. It is often denoted by the Greek letter λ (lambda) and is important in reliability engineering. The failure rate of a system usually… …
54Kennywood — Infobox Amusement park name = Kennywood caption = Main gates to Kennywood location = 4800 Kennywood Blvd location2 = West Mifflin location3 = Pennsylvania, 15122 location4 = United States flagicon|USA area = convert|107|acre|km2 homepage =… …
55Hydrostatic test — A hydrostatic test is the common way in which leaks can be found in pressure vessels such as pipelines and plumbing. This method of testing should not be confused with the Hydrostatic Body Fat Test that uses the principles of buoyancy to… …
5691 Express Lanes — Infobox road state=CA type=SR route=91 highway name=91 Express Lanes maint= The 91 Express Lanes is a ten mile (16 km) high occupancy toll road / full tollway combination contained entirely within the median of the Riverside Freeway (State Route… …
57Nintendo GameCube — Indigo GameCube and controller …
58Worker cooperative — A worker coperative is a cooperative owned and democratically controlled by its employees. There are no outside or consumer owners in a worker coperative only the workers own shares of the business.Definition of worker cooperativeThere are many… …
59Oklahoma School of Science and Mathematics — City Oklahoma City, OK Year Opened 1990 Founders State Sen. Bernice Shedrick State Sen. Penny Williams …
60Hwang Woo-Suk — Infobox Korean name hangul=황우석 hanja=黃禹錫 rr=Hwang U seok mr=Hwang U sŏkHwang Woo Suk (Korean: 황우석, born 29 January 1953)Sources disagree on the birthdate due to confusion between different calendar systems. Hwang was born on January 29, 1953 in… …
