lifting device
31Gyn — A gyn is a form of three legged lifting device used on sailboats. It provides more stability than a derrick or sheers, and requires no rigging for support. However, it can only be used for lifting things directly up and down. Gyns may also be… …
32Spreader — can refer to:* Spreader (railroad), a kind of maintenance of way equipment designed to spread or shape ballast profiles * Hydraulic spreader, a tool used by emergency crews in vehicle extrication * Spreader (sailboat), an attachment to a sailboat …
33Derrick — For other uses, see Derrick (disambiguation). Derrick of Ocean Star Offshore Oil Rig Museum, Galveston, Texas A derrick is a lifting device composed of one tower, or guyed mast such as a pole which is hinged freely at the bottom. It is controlled …
34Chain — For other uses, see: Chain (unit) or Chain (disambiguation). A broad metal chain made of torus shaped links …
35First aid — This article is about the provision of immediate care. For the Transformers character, see First Aid (Transformers) …
36Lewis (disambiguation) — Lewis is the largest island of the Western Isles of Scotland.Lewis may also refer to: * Lewis (surname), a family nameIn U.S. places: * Lewis, Colorado * Lewis, Indiana * Lewis, Iowa * Lewis, Kansas * Lewis, Essex County, New York * Lewis, Lewis… …
37Dump truck — For other uses, see Dump truck (disambiguation). A dump truck (or, UK, dumper truck) is a truck used for transporting loose material (such as sand, gravel, or dirt) for construction. A typical dump truck is equipped with a hydraulically operated… …
38Air caster — An air caster is a pneumatic lifting device used to move heavy loads on flat, non porous surfaces. Its operation is similar to a hovercraft, in that it uses a thin layer of air as a way to float a very small distance off the ground. Compressed… …
39Sheers — are a form of two legged lifting device, that were used by sailboats and dockyards for tasks such as lifting masts and heavier parts of the rigging on board. [cite book|pages=97|title=Rudimentary Treatise on Masting, Mast making, and Rigging of… …
40crane — 1. noun a) A large bird of the order Gruiformes and the family Gruidae having long legs and a long neck which it extends when flying. b) A mechanical lifting device, often used for lifting heavy loads for industrial or construction purposes. 2.… …
