pull-down design
11Projection screen — Home theater projection screen displaying a high definition television image A projection screen is an installation consisting of a surface and a support structure used for displaying a projected image for the view of an audience. Projection… …
12Roller coaster elements — Contents 1 Basic elements 1.1 Brake run 1.2 Buzz bars 1.3 …
13motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …
14Manual fire alarm activation — Single action pull station. A manual call point in the UK …
15MythBusters (2006 season) — Country of origin Australia United States No. of episodes 28 (includes 2 specials) Broadcast Original channel Discovery Channel …
16Accelerator Coaster — model. These models are the tradename for some of the fastest rides on earth.An accelerator coaster is named because of its long, straight launch track, its tower, known as a top hat , and its magnetic brakes that smoothly stop the train without… …
17Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel …
18Landing Ship, Tank — A Canadian LST off loads an M4 Sherman during the Allied invasion of Sicily in 1943. Landing Ship, Tank (LST) was the military designation for naval vessels created during World War II to support amphibious operations by carrying significant… …
19Castle — This article is about medieval fortifications. For other uses, see Castle (disambiguation). For a list of all castles, see List of castles. For similar but unrelated structures in Japan, see Japanese castle …
20WordPerfect — Developer(s) Corel Stable release X5 …
