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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".
A gyn is an improvised three-legged lifting device used on sailing ships. It provides more stability than a derrick or sheers, and requires no rigging for support. Without additional support, however, it can only be used for lifting things directly up and down. Gyns may also be used to support either end of a ropeway. [1]
In Europe, barber poles are just red and white—reminiscent of the poles from the Middle Ages. There are a couple theories about why the United States added blue to its design.
Modern sasumata man catcher used by riot police in Japan. While other man catchers are no longer in use, the sasumata (described above) currently has modern variants that are semi-flexible, with padding, blunt endpoints, and other slightly modified geometry, designed to significantly reduce the chance of injury to restrained civilians.
Perhaps the best example is "tent pole," a term that refers to a company's most promising or prominent product. Generally, a tent pole generates most of an organization's income, making it ...
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
Bread and butter" is a superstitious blessing or charm, typically said by young couples or friends walking together when they are forced to separate by an obstacle, such as a pole or another person. By saying the phrase, the bad luck of letting something come between them is thought to be averted. [ 1 ]