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Crash bar. A crash bar (also known as a panic exit device, panic bar, or bump bar) [1][2] is a type of door opening mechanism which allows users to open a door by pushing a bar. While originally conceived as a way to prevent crowd crushing in an emergency, crash bars are now used as the primary door opening mechanism in many commercial buildings.
Also Centering spring cylinder. A cylindrical cast-iron holder in which an adjusting string is placed. Adjusting spring seat A casting, or a part of the bolster of a two-wheel trailing truck, forming a bearing for the end of the adjusting spring. Admission The opening of steam port to admit steam to one end of a cylinder. If the valve has no lead, admission takes place at the moment the piston ...
Railroad car. A railroad car, railcar (American and Canadian English), [ a ]railway wagon, railway carriage, railway truck, railwagon, railcarriage or railtruck (British English and UIC), also called a train car, train wagon, train carriage or train truck, is a vehicle used for the carrying of cargo or passengers on a rail transport network (a ...
Wagon. A hay wagon in Germany, of a type common throughout Europe (the leiterwagen). The sides are actually ladders attached to serve as containment of hay or grain, and may be removed, such as for hauling timber. A wagon or waggon is a heavy four-wheeled vehicle pulled by draught animals or on occasion by humans, used for transporting goods ...
Drawbar eye. A drawbar eye, also called tow eye, is a mechanical part to connect an independent trailer / dolly via a drawbar coupling to a tractor. [2] the eye is connected to the front end of a drawbar with bolt, flange-mounting or welding. [3] Most are made from high tension material to bear heavy loads while being pulled by the tractor.
The fleet of Great Western Railway wagons was both large and varied as it carried the wide variety of goods traffic on the Great Western Railway (GWR) in the United Kingdom. This was the railway company that operated for the longest period of time in the country (from 1838 to 1947) and covered a large geographical area that included big cities ...
The back row of seating folded flat to allow 42 inches (1,100 mm) of flat floor space, [4] and became popular as a commercial wagon. The Suburban for 1950 was accompanied by a four-door Special Deluxe wagon, the last of the "woodies", for those wanting something a little more traditional. There were two Plymouth wheelbases, with the Suburban ...
US Marines breach a door using a sledgehammer. Mechanical breaching can be used to defeat the latch, lock, hinges, or door itself and methods can vary from minimally destructive to very destructive. Lockpicking with traditional lock picks is a minimally destructive method but is relatively slow and requires a trained operator.