manually operated screw
81Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …
82Hub gear — Sturmey Archer SX3 A Sturmey Archer AM bicycle hub gear mechanism wi …
83Technology of the Song Dynasty — The Song Dynasty ( zh. 宋朝; 960–1279 CE) provided some of the most significant technological advances in Chinese history, many of which came from talented statesmen drafted by the government through imperial examinations.The ingenuity of advanced… …
84Conveyor system — Conveyor redirects here. For other uses, see Conveyor (disambiguation). This article is about conveyor systems. For information on conveyor belts, see conveyor belts. For information on overhead conveyors, see overhead conveyors. An overhead… …
85AK-74 — Infobox Weapon name=AK 74 caption=The AK 74M, the current rifle of the Russian Armed Forces origin=flag|Soviet Union type=Assault rifle is ranged=yes service=1974–present used by=Soviet Union, countries of the former Warsaw Pact wars=Afghan War,… …
86Colt Single Action Army — Revolver Second Generation Colt Single Action Army Type Revolver Place of origin …
87Dredging — Dredge redirects here. For other uses, see Dredge (disambiguation). Dredgers redirects here. For the German municipality, see Dreggers. Dredging is an excavation activity or operation usually carried out at least partly underwater, in shallow… …
88American Airlines Flight 96 — Artist s depiction of American Airlines Flight 96 losing its aft bulk cargo door Accident summary Date 12 June 19 …
89Motor life boat — The Motor Life Boat (MLB) is an integral part of a coast guard fleet, built to withstand the most severe conditions at sea. Designed to be self bailing, self righting and practically unsinkable, MLBs are used for surf rescue in heavy weather.The… …
90Remington 51 — Infobox Weapon name=Remington Model 51 caption=The Remington 51, left side origin=flag|United States type=Semi automatic pistol is ranged=yes service= used by= wars= designer=John Pedersen design date=1917 manufacturer=Remington Arms Company… …
