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A crane hook and overhaul ball assembly. An overhaul hook ball, also known as an overhaul ball or headache ball, is a heavy weight that is attached to the end of a crane's cable, above the lifting hook. It is used to keep the cable under sufficient tension even when no load is attached.
Lifting a heavy timber with a block and tackle on a tripod. Lifting equipment , also known as lifting gear , is a general term for any equipment that can be used to lift and lower loads. [ 1 ] Types of lifting equipment include heavy machinery such as the patient lift , overhead cranes , forklifts , jacks , building cradles, and passenger lifts ...
A lifting hook with a safety latch. A lifting hook is a device for grabbing and lifting loads by means of a device such as a hoist or crane.A lifting hook is usually equipped with a safety latch to prevent the disengagement of the lifting wire rope sling, chain or rope to which the load is attached.
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From stock market news to jobs and real estate, it can all be found here. ... The disgraced music mogul listed his Calif. home, which was raided by federal agents in March, for sale on September 8.
A block and tackle [1] [2] or only tackle [3] is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift heavy loads.. The pulleys are assembled to form blocks and then blocks are paired so that one is fixed and one moves with the load.
The tub was hooked up to chains and hoisted up through the open roof of the block, which was taken off by workmen earlier in the week. Its removal by a large yellow crane came three years after ...
Rigging is the equipment such as wire rope, turnbuckles, clevis, jacks used with cranes and other lifting equipment [1] in material handling and structure relocation. Rigging systems commonly include shackles , master links and slings , and lifting bags in underwater lifting.