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A gin pole is a mast supported by one or more guy-wires that uses a pulley or block and tackle mounted on its upper end to lift loads. The lower end is braced or set in a shallow hole and positioned so the upper end lies above the object to be lifted. The pole (also known as a mast, boom, or spar) is secured with three
Shear legs are a lifting device related to the gin pole, derrick and tripod (lifting device). Shears are an A-frame of any kind of material such as timbers or metal, the feet resting on or in the ground or on a solid surface which will not let them move and the top held in place with guy-wires or guy ropes simply called "guys".
Lifting may refer to: Manual handling of loads; Raising objects upwards, for example with lifting equipment; Weightlifting, lifting weights for exercise and sport, including: Olympic weightlifting, an Olympic sport that tests explosive strength; Powerlifting, a sport that tests limit strength; Weight training, a way of increasing strength
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Guard personnel tested out a basket which could fit up to 15 people, at the Air National Guard-Air Force Reserve Command Test Center at Tucson, Ariz. The basket which was tested is known as the Heli-Basket, is 4-and-a-half foot by 8-and-a-half feet, and hangs on a 125-foot cable below an HH-60G Pave Hawk helicopter. it was invented by John ...
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