temperature dropping period
71Denmark — This article is about the country. For other uses, see Denmark (disambiguation). Denmark Danmark …
72Chernobyl disaster — This article is about the 1986 nuclear plant accident in Ukraine. For other uses, see Chernobyl (disambiguation). Chernobyl disaster …
73metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
74Boeing B-29 Superfortress — This article is about the WWII heavy bomber. For other meanings, see B29 (disambiguation). B 29 Superfortress A USAAF B 29 Superfortress …
75Republic of Ireland — This article is about the sovereign state. For the island, see Ireland. For other uses, see Republic of Ireland (disambiguation). Ireland[a] Éire (Irish) …
76Cement kiln — Cement kilns are used for the pyroprocessing stage of manufacture of Portland and other types of hydraulic cement, in which calcium carbonate reacts with silica bearing minerals to form a mixture of calcium silicates. Over a billion tonnes of… …
77MythBusters (2008 season) — Country of origin Australia United States No. of episodes 20 (includes 8 specials) Broadcast Original channel Discovery Channel …
78Dead Sea — For the Brian Keene book of the same name, see Dead Sea (novel). Dead Sea A view from the Israeli side looking across to Jordan Coord …
79Nickel-cadmium battery — Batteries caption=From top to bottom Gumstick , AA, and AAA NiCd batteries. EtoW = 40–60 Wh/kg EtoS = 50–150 Wh/L PtoW = 150W/kg CtoDE= 70%–90% [ [http://www.batteryuniversity.com/partone 11.htm Charging nickel based batteries ] ] EtoCP= ? US$… …
80Great Lakes Blizzard of 1977 — The Blizzard of ‘77 was a deadly blizzard that hit Buffalo, New York and the area around it in New York and Ontario (and to a lesser extent, surrounding regions) from January 28 to February 1, 1977. Daily peak gusts of 69, 51, 52, 58 and 46 miles …
