down-draft furnace
41New Jersey Southern Railroad — New Jersey Southern RR and connections Contents 1 Raritan and Delaware Bay Railroad …
42Ming Dynasty — Great Ming 大明 ← 1368–1644 …
43Citizen Kane — Citizen Kane …
44Terror bombing — is a strategy of deliberately bombing and/or strafing civilian targets in order to break the morale of the enemy, make its civilian population panic, bend the enemy s political leadership to the attacker s will, or to punish an enemy.Legal… …
45Sand casting — Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material. It is relatively cheap and sufficiently refractory even for steel foundry use. A suitable bonding agent (usually clay)… …
46Oil shale extraction — is an industrial process in which kerogen mdash;a mixture of organic chemical compounds (including hydrocarbons) found in oil shale mdash;is converted into synthetic crude oil through pyrolysis. In pyrolysis, oil shale is heated in the absence of …
47Underfloor heating — Heat can be provided by circulating heated water or by electric cable, mesh, or film heaters.Underfloor heating can be used with concrete and wooden floors, with all types of floor covering (e.g., stone, tile, wood, vinyl, and carpet), and at… …
48Gondola (steam yacht) — The steam yacht Gondola was originally a Victorian screw propelled, steam powered vessel currently used as a pleasure cruiser on Coniston Water, England, operated by the National Trust. Gondola is thought to be one of the inspirations for Captain …
49blast — blaster, n. blasty, adj. /blast, blahst/, n. 1. a sudden and violent gust of wind: Wintry blasts chilled us to the marrow. 2. the blowing of a trumpet, whistle, etc.: One blast of the siren was enough to clear the street. 3. a loud, sudden sound… …
50Ballistic vest — A ballistic vest is an item of protective clothing that absorbs the impact from gun fired projectiles and shrapnel fragments from explosion. This protection is for the torso. Soft vests are made from many layers of woven or laminated fibers and… …
