cabin pressure control device
51Dornier Do 217 — Do 217 Do 217 E 2 Role Medium bomber Heavy bomber …
52MythBusters (2011 season) — Country of origin Australia United States Broadcast Original channel Discovery Channel Original run …
53Inner German border — Innerdeutsche Grenze North and central Germany …
54building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
55arts, East Asian — Introduction music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature. Some studies of East Asia… …
56Light-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 …
57Space Shuttle orbiter — The Discovery orbiter approaches the ISS on STS 121 Operator NASA Mission type Orbiter …
58publishing, history of — Introduction an account of the selection, preparation, and marketing of printed matter from its origins in ancient times to the present. The activity has grown from small beginnings into a vast and complex industry responsible for the… …
59American Civil War — American Civil War …
60Acura RL — Infobox Automobile name=Acura RL manufacturer=Honda production=1996–present predecessor=Acura Legend class=Mid size luxury car [http://www.fueleconomy.gov/feg/compx2005f.jsp?year=2006 make=Acura model=RL hiddenField=Findacar] body style=4 door… …
