displacement ventilation
51Armoured flight deck — An armoured flight deck is an aircraft carrier flight deck that incorporates substantial armour in its design. Comparison is often made between some of designs of the Royal Navy (RN) and the United States Navy (USN). The two navies followed… …
52Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… …
53Dutch East Indies — Dutch colony ← …
54Citroën 2CV — Manufacturer Citroën Production 1948–1990 [1] …
55Motorcycle helmet — A collection of motorcycle helmets worn by Moto GP racer Valentino Rossi A motorcycle helmet is a type of protective headgear used by motorcycle riders. The primary goal of a motorcycle helmet is motorcycle safety to protect the rider s head… …
56Chevrolet Chevelle — 1964 Chevrolet Chevelle Malibu SS Convertible Manufacturer Chevrolet Division of General Motors Production 1963–1977 …
57Bullfrog — For other uses, see Bullfrog (disambiguation). American Bullfrog adult male Conservation status …
58Greater Underwater Propulsion Power Program — The Greater Underwater Propulsion Power Program (GUPPY) was initiated by the United States Navy after World War II to improve the submerged speed, maneuverability, and endurance of its submarines. (The Y in the acronym was added to increase… …
59Essex class aircraft carrier — Essex was a class of aircraft carriers of the United States Navy, which constituted the 20th century s most numerous class of heavy warships, with 24 ships built. These included members of the long hull Ticonderoga variant/subclass, which some… …
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… …
