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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 ...
To lift a load, a separate line runs up and over the mast with a hook on its free end, as with a crane. [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 ...
Capabilities, characteristics, and use of sling load equipment; Duties and responsibilities of sling load personnel; Familiarization with sling load theory and rigging of non-standard loads; Students receive hands-on training on preparation, rigging, and inspection of several certified or suitable external loads. These may include the following ...
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 ...
This page was last edited on 22 December 2024, at 01:58 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
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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.
This page was last edited on 21 December 2024, at 12:26 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.