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2. Ultra-high-molecular-weight polyethylene - Wikipedia

   en.wikipedia.org/wiki/Ultra-high-molecular...

   A typical 11 mm (0.43 in) UHMWPE rope of 30 m (98 ft) can weigh around 2 kg (4.4 lb), the equivalent steel wire rope would weigh around 13 kg (29 lb). One notable drawback of UHMWPE rope is its susceptibility to UV damage, so many users will fit winch covers in order to protect the cable when not in use.

3. Dyneema Composite Fabric - Wikipedia

   en.wikipedia.org/wiki/Dyneema_Composite_Fabric

   Dyneema Composite Fabric (DCF), also known as Cuben Fiber (CTF3), is a high-performance non-woven composite material used in high-strength, low-weight applications. It is constructed from a thin sheet of ultra-high-molecular-weight polyethylene ( UHMWPE , "Dyneema") laminated between two sheets of polyester .

4. Cable jetting - Wikipedia

   en.wikipedia.org/wiki/Cable_Jetting

   Traditionally, fibre optic cables were pulled through cable ducts in the same way as other cables, via a winch line. Every time the fibre passes a bend or undulation in the duct, the pulling force is multiplied by a friction-dependent factor (which can be reduced by using lubricant [2]). This means that the higher the local pulling force is ...

5. Wire rope - Wikipedia

   en.wikipedia.org/wiki/Wire_rope

   Steel wire rope (right hand lang lay) Wire rope is composed of as few as two solid, metal wires twisted into a helix that forms a composite rope, in a pattern known as laid rope. Larger diameter wire rope consists of multiple strands of such laid rope in a pattern known as cable laid. Manufactured using an industrial machine known as a strander ...

6. Hoist (device) - Wikipedia

   en.wikipedia.org/wiki/Hoist_(device)

   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.

7. Sling (climbing) - Wikipedia

   en.wikipedia.org/wiki/Sling_(climbing)

   Slings and now more often 3-foot alpine draws or shorter quickdraws are used in-between pieces of protection and the rope to minimize rope drag [2] Hitch around a chock stone or a tree to use as passive protection [2] Clove hitch around chicken heads or sling around horns [2] Longer slings or cordelettes can be used for equalized belay stations