Alternative spelling of cap screw [A screw that is threaded along the entire length of the shaft and has a cap which is intended to rest against the side of the outermost material being screwed together when the screw has been screwed in to its maximum extent.]
(automotive) A type of spare tire. The undersized spare wheel (tire and rim) provided by automotive manufacturers in lieu of a full-sized tire, for use in emergencies, when one of the regular ones can no longer be used.
A small industrial vehicle with a power-operated fork-like pronged platform that can be raised and lowered for insertion under a load, often on pallets, to be lifted and moved.
A mechanical device used to raise and (temporarily) support a heavy object, now especially to lift one side of a motor vehicle when (e.g.) changing a tyre.
(aviation, nautical, humorous) In military or other social organizations involving aircraft or boats, a mythical substance supposedly used to wash propellers.
A device that is placed over or behind the propeller of a boat to deflect the vessel's propwash downward. The result is a very effective form of agitation dredging. PDUs are primarily used by salvors to remove mud or sand from shallow water shipwrecks.
A walkway or short, low footbridge over wet ground constructed by laying one or more planks or dressed timbers over sills set directly on the ground, also called duck boards, bog boards, or bog bridge.
A type of propeller in which the blades are angled to produce a motion similar to threading a screw. Also, the angle of the blades on such a propeller.
A metal rack or cage consisting of support pillars with adjustable bars and hooks, using for supporting a barbell during heavy weightlifting exercises.
(engineering, obsolete) A particular system of fixed and movable pulleys; a tackle with a set of sheaves in a fixed block and another set in a movable block to which the weight is attached.
A massive crane with an overhanging counterbalanced arm carrying a traveler and lifting crab, the whole supported by a carriage mounted on track rails. It is used especially for setting heavy masonry blocks for piers, breakwaters, etc.
(UK, dialect, Scotland, obsolete or historical) A form of weighing machine for heavy wares, consisting of two horizontal bars crossing each other, beaked at the extremities, and supported by a wooden pillar.
A tractor with one axle, self-powered and self-propelled, which can pull and power various farm implements such as a trailer, cultivator or harrow, a plough, or various seeders and harvesters.
A machine consisting of a drum on an axle, a friction brake or ratchet and pawl, and a crank handle or prime mover (often an electric or hydraulic motor), with or without gearing, to give increased mechanical advantage when hauling on a rope or cable.
Any of various muscle exercises in which a large deal of the body makes a great circle, typically one where a kettlebell is raised overhead and the torso is rotated to the other side with the hand reaching its foot (hitting the core, glutes, hamstrings, trapezius, rhomboids, deltoids and rotator cuffs) but sometimes even a windshield wiper.
A type of corkscrew having two levers on either side of the worm, so that the cork is removed by pushing the levers together after the worm has been driven into the cork.
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