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These rope bridges must be renewed periodically owing to the limited lifetime of the materials, and rope components are made by families as contributions to a community endeavor. Simple suspension bridges, for use by pedestrians and livestock, are still constructed, based on the ancient Inca rope bridge but using wire rope and sometimes steel ...
Manila rope is a type of rope made from manila hemp. Manila rope is very durable, flexible, and resistant to salt water damage, allowing its use in rope, hawsers, ships' lines, and fishing nets. [22] A 1 inch (2.5 cm) rope can require 4 metric tons (8,800 lb) to break. [27]
The timber hitch is a knot used to attach a single length of rope to a cylindrical object. Secure while tension is maintained, it is easily untied even after heavy loading. [1] [2] [3] The timber hitch is a very old knot. It is first known to have been mentioned in a nautical source c. 1625 [4] and illustrated in 1762. [1]
Cinder block or concrete block; Noxer block; Stone dry stacked or mortar set; Urbanite – broken-up concrete; Category:Masonry. Category:Bricks; also: "Concrete Masonry Units" (CMU) Category:Stone (material) Metals. Structural steel: I-beam and column; Rebar; Wire rope and cables; Metal joist, decking, framing, trusses; Metal fabrications
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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.
New details about a study that warned against black plastic spatulas and other kitchen tools have come out. (Getty Creative) (Анатолий Тушенцов via Getty Images)
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