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71Pentax K mount — The Pentax K mount, sometimes referred to as the PK mount , is a lens mount standard for mounting interchangeable photographic lenses to 35 mm single lens reflex (SLR) cameras. It was created by Pentax in 1975, [cite web | url =… …
72Maintaining power — In horology, a maintaining power is a mechanism for keeping a clock or watch going while it is being wound. Contents 1 Huygens 2 Bolt and Shutter 3 Harrison 4 References …
73United States Senate special election in Massachusetts, 2010 — 2006 ← January 19, 2010 (2010 01 1 …
74Linotype machine — The Linotype machine (pronounced Line O Type [IPA| laɪnəˌtaɪp] ) is a line casting machine used in printing. The Linotype machine operator enters text on a 90 character keyboard. The machine assembles matrices , which are molds for the letter… …
75Hot metal typesetting — Part of a series on the History of printing Woodblock p …
76Bicycle — For other uses, see Bicycle (disambiguation). A mountain bike, a popular multi use bicycle. A bicycle, also known as a bike, pushbike or cycle, is a human powered, pedal driven, single track vehicle, having two wheels attached to a frame, one… …
77Imitation — This article is about the behavior in humans and animals. For other uses, see Imitation (disambiguation). A newborn rhesus macaque imitates tongue protrusion. Imitation is an advanced behavior whereby an individual observes and replicates another …
78List of Kururu's inventions — Many of the storylines in both the manga and the anime versions of Sgt. Frog happen thanks to Sgt. Major Kururu s knack for inventing. His twisted nature combined with Keroro s need to conquer Pokopen/Pekopon work fluidly together, as it gives… …
79Davis Warner Infallible — Infallible Automatic Pistol Type Semi automatic pistol Place of origin  United States …
80MythBusters (2010 season) — Country of origin Australia United States No. of episodes 25 (includes 4 specials) Broadcast Original channel …
