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Trap bars often have two pairs of handles: one pair projects upwards in a squared D shape from the bar and one pair is level with the bar. The bar can be flipped over to make either pair more accessible. This gives a choice of two different grip heights with which to begin the lift. The trap bar (also referred to as the hex bar) is an implement ...
Download as PDF; Printable version; From Wikipedia, the free encyclopedia. Redirect page. Redirect to: Trap bar; Retrieved from " ...
Springfield Model 1888, trapdoor mechanism open. In firearms, a trapdoor is a form of breech-loading mechanism for rifles in which a hinged breechblock rotates up and forward, resembling the movement of a trapdoor. [1] The Springfield models 1865 and 1873 were best known for first employing this type of action. [2]
It is traditionally small in size. [2] It was invented to facilitate the hoisting of grain up through mills, however, its list of uses has grown over time. [ 3 ] The trapdoor has played a pivotal function in the operation of the gallows , cargo ships , trains , [ 4 ] booby traps , [ 5 ] and more recently theatre and films.
An intercom and/or video camera are often used to allow the guard to control the trap from a remote location. In an automatic mantrap, identification may be required for each door, sometimes even different measures for each door. For example, a key may open the first door, but a personal identification number entered on a number pad opens the ...
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In the early morning hours of Dec. 26, 1996, Patsy Ramsey called 911 to report her 6-year-old daughter JonBenét missing, and found a rambling ransom note left inside their Boulder, Colorado, home.
A trap road with stops is a short dead-end siding leading to some method of stopping a vehicle, such as a sand drag or buffer stop. Wide to gauge trap points have switches that work in opposite directions and are therefore either both open or both closed. Vehicles derailed at these points will tend to continue in a forward direction rather than ...
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