track-mounted
21NATO Double-Track Decision — The NATO Double Track Decision is the decision of NATO from December 12, 1979 to offer the Warsaw Pact a mutual limitation of Medium range ballistic missiles and Intermediate range ballistic missiles combined with the threat that in case of… …
22Type 98 20 mm AA Half-Track Vehicle — Infobox Weapon name=Type 98 20 mm AA Half Track caption= is vehicle=yes origin= flag|Empire of Japan length=12 ft 5 in, width=6 ft 1 in, 1.85 height=7 ft 3 in, weight=4 suspension= speed=? vehicle range=? primary armament=20 mm Type 2 gun… …
23half-track — half tracked, adj. /haf trak , hahf /, n. 1. a caterpillar tread that runs over and under the rear or driving wheels of a vehicle but is not connected with the forward wheels: used esp. on military vehicles. 2. a motor vehicle with rear driving… …
24railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …
25Brake run — A brake run on a roller coaster is any section of track meant to slow or stop a roller coaster train.[1] Brake runs may be located anywhere along the circuit of a coaster and may be designed to bring the train to a complete halt or to simply… …
26Mooring mast — A mooring mast, or mooring tower, is a structure designed to allow for the docking of an airship outside of an airship hangar or similar structure. More specifically, a mooring mast is a mast or tower that contains a fitting on its top that… …
27Architecture and Civil Engineering — ▪ 2009 Introduction Architecture For Notable Civil Engineering Projects in work or completed in 2008, see Table (Notable Civil Engineering Projects (in work or completed, 2008)). Beijing was the centre of the world of architecture… …
28Swing door operator — A swing door operator (or swing door opener or automatic swing door operator) is a device that operates a swing door for pedestrian use. It opens or helps open the door automatically, waits, then closes it. Types There are 3 basic types of swing… …
29Seat belt — This article is about the safety device. For the band, see The Seatbelts. A 3 point seat belt …
30PATCO Speedline — Overview Type Rapid transit Locale Philadelphia, Pennsylvania and …
