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A trench box in use with chains still attached and a ladder in place. Trench shields (also called trench boxes or trench sheets) are steel or aluminum structures used to avoid cave-ins and protect utility workers while performing their duties within a trench. They are customarily constructed with sidewalls of varying thicknesses held apart by ...
His well-publicised success with these boxes, and the revised policing methods they allowed, soon led to the adoption of similar police box systems in many of the larger cities in the north of England, including Manchester and Sheffield. [8] A 1929 Mackenzie Trench design police box preserved at the National Tramway Museum in Crich, Derbyshire ...
Trench shoring is the process of bracing the walls of a trench to prevent collapse and cave-ins. The phrase can also be used as a noun to refer to the materials used ...
President Joe Biden urged Congress to pass 'commonsense' gun-safety laws following Wisconsin school shooting that killed two and wounded six others
US Bayonet Model 1873 Trowel. In 1870, the U.S. Army introduced the trowel bayonet, intended for individual soldiers as both a weapon and an entrenching tool. [7] [8] [6] This was followed by the development of separate trowel and spade tools, small one-hand implements that could be carried as part of a soldier's individual equipment.
A U.S. Postal Service worker from Compton was arrested on suspicion of swiping more than 20 checks from the mail and depositing $281,000 into various bank accounts under her name, authorities said.
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