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Printable version; In other projects ... 6010 Aluminium alloy has Aluminium as the major element, and has silicon, magnesium, manganese and zinc as minor elements. ...
Lifting equipment, also known as lifting gear, is a general term for any equipment that can be used to lift and lower loads. [1] Types of lifting equipment include heavy machinery such as the patient lift , overhead cranes , forklifts , jacks , building cradles, and passenger lifts, and can also include smaller accessories such as chains ...
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.
1966–1969 In Star Trek: The Original Series, Velcro was used instead of belts or holsters as a space-age way to attach phasers and communicators to crew uniforms. [ 21 ] [ 22 ] 1984 - David Letterman wears a suit made of hook-and-loop and jumps from a trampoline into a wall covered in the product during an interview with Velcro Companies' USA ...
A derrick is a lifting device composed at minimum of one guyed mast, as in a gin pole, which may be articulated over a load by adjusting its guys. Most derricks have at least two components, either a guyed mast or self-supporting tower , and a boom hinged at its base to provide articulation, as in a stiffleg derrick.
Back belts are popular among workers across a number of industries—airline baggage handlers, warehouse workers, piano movers, grocery clerks, etc.—specifically to prevent lifting injuries. [2] The theory underlying the use of back belts is that the belts reduce forces on the spine, stiffen the spine, or increase intra-abdominal pressure. [1]
Another Greek, the physician Galen, described strength training exercises using the halteres (an early form of dumbbell) in the 2nd century. Ancient Greek sculptures also depict lifting feats. The weights were generally stones, but later gave way to dumbbells. The dumbbell was joined by the barbell in the later half of the 19th century.