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It is attached securely to a stationary object directly by a locking device or indirectly via a rope, cable, or webbing and one or more locking devices. Some safety harnesses are used in combination with a shock-absorbing lanyard , which is used to regulate deceleration and thereby prevent a serious G-force injury when the end of the rope is ...
A PMCS is required before a vehicle can be dispatched and before a piece of equipment, such as a weapon, can be issued. A PMCS sheet, as listed above, for vehicles is called a DA 5988E. This sheet is used to write down any deficiency found during the PMCS procedure. [2]
If it is attached to a heavier line, warp, or chain and then used to pull the heavier line across the gap it is being used as a messenger line. The name heaving line refers to the function of pulling the line, and messenger line to the function of transferring the object it is fastened to.
Incomplete capsizing resulting from a tight weave produces a form that is likewise secure and stable, but which is more difficult to untie, countering one of the advantages of the carrick bend. When the knot is allowed to capsize naturally under tension, considerable slippage of line through the knot can occur before tightening, so the knot ...
A First Article Inspection (FAI) is a production validation process for verifying that a new or modified production process produces conforming parts that meet the manufacturing specification detailed in technical or engineering drawings. Typically, a supplier performs the FAI and the purchaser reviews the report.
The Occupational Safety and Health Administration sets regulations for all equipment. [3] Contractors are forced to uphold usually strict rules to ensure safety of workers. All machinery is required to be developed by a certified engineer, contractors must follow manufacturer procedures, all users be professionally trained before operating equipment, and equipment must be inspected regularl
Hoist atop an elevator. A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium.
The chains, also called the chain-wales or channels, [1] were small platforms, built on either side of the hull of a ship, used to provide a wide purchase for the shrouds, and to assist in the practice of depth sounding. The chains provided a platform for a 'leadsman', the sailor assigned to swing the sounding line, or 'lead' into the water. [2]
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