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Standing rigging comprises the fixed lines, wires, or rods, which support each mast or bowsprit on a sailing vessel and reinforce those spars against wind loads transferred from the sails. This term is used in contrast to running rigging , which represents the moveable elements of rigging which adjust the position and shape of the sails.
An assembly of blocks with a rope threaded through the pulleys is called tackle. The process of threading ropes or cables through blocks is called "reeving", and a threaded block and tackle is said to have been "rove". [7] A block and tackle system amplifies the tension force in the rope to lift heavy loads.
A cable reel is a round, drum-shaped object such as a spool used to carry various types of electrical wires. [1] Cable reels, which can also be termed as drums, have been used for many years to transport electric cables, fiber optic cables [ 2 ] and wire products.
The force on an anchor may be much greater than the weight of the climber. There are various mechanisms that contribute to excess force, including Direction of pull, or vector pulling; Fall factor (if a fall occurs) Stiffness (reduced elasticity) of the climbing rope and anchor materials; improper slippage through the belay device
The conventional reel, also known as the trolling reel (due to its popularity in recreational boat trolling) or "drum reel" (due to its often drum-like cylindrical shape), is the most classical design of multiplier reels. It can be mounted (more often) above or below the rod handle, with the spool axis being perpendicular to the rod.
A rail fastening system is a means of fixing rails to railroad ties (North America) or sleepers (British Isles, Australasia, and Africa). The terms rail anchors , tie plates , chairs and track fasteners are used to refer to parts or all of a rail fastening system.
The anchor bend is a knot used for attaching a rope to a ring or similar termination. The name is a misnomer , as it is technically not a bend , but a hitch . Origins
A guy-wire, guy-line, guy-rope, down guy, or stay, also called simply a guy, is a tensioned cable designed to add stability to a freestanding structure. They are used commonly for ship masts , radio masts , wind turbines , utility poles , and tents .
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