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Rigging is both a noun, the equipment, and verb, the action of designing and installing the equipment, in the preparation to move objects. A team of riggers design and install the lifting or rolling equipment needed to raise, roll, slide or lift objects such as heavy machinery, structural components, building materials, or large-scale fixtures ...
Rigging comprises the system of ropes, cables and chains, which support and control a sailing ship or sail boat's masts and sails. Standing rigging is the fixed rigging that supports masts including shrouds and stays. Running rigging is rigging which adjusts the position of the vessel's sails and spars including halyards, braces, sheets and ...
Open to men and women, the rigorous, fast-paced training is known as the 10 (or 11 [1]) toughest days [2] in the Army. About 15 percent of the class does not make it through the first day, dubbed Zero day, which includes a demanding obstacle course. [3] More fail to make it past sling load testing in phase two. [1] Ultimately, only about 45 ...
[1] [2] Derricks are especially useful for high-rise rigging, jobs that cover a long period of time, or jobs when the impact to street or pedestrian traffic is a concern. [3] Forms of derricks are commonly found aboard ships and at docking facilities. Large derricks mounted on dedicated vessels are known as floating derricks [4] and shearlegs.
[1] Compass navigation is a matter of training, practice and familiarity with the use of underwater compasses, combined with various techniques for reckoning distance underwater, including kick cycles (one complete upward and downward sweep of a kick), time, and occasionally by actual measurement, which may involve the length of umbilical deployed.
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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 general term for a professional banksman offshore is a 'rigger' or deck crew. A team of riggers will manage lifting operations. There are specific methods, pieces of equipment, and safety protocol for many different types of loads.