main sheave
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Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel … Wikipedia
Fly system — Fly loft of the Theater Bielefeld in Germany A fly system, flying system or theatrical rigging system, is a system of lines (e.g. ropes), blocks (pulleys), counterweights and related devices within a theatre that enable a stage crew to quickly,… … Wikipedia
Robinson R22 — Infobox Aircraft name=Robinson R22 caption= type=Light utility and trainer helicopter manufacturer=Robinson Helicopter Company designer=Frank Robinson first flight=1975 introduced=1979 retired= status= primary user= more users= produced= number… … Wikipedia
Chairlift — For the musical group, see Chairlift (band). A stairlift is sometimes called a chairlift . Hunter Mountain chairlift … Wikipedia
Whistler Blackcomb — This article is about the ski resort. For other pages with the name Whistler, see Whistler (disambiguation). Whistler Blackcomb … Wikipedia
Dust collector — Two rooftop dust collectors in Pristina, Kosovo A dust collector is a system used to enhance the quality of air released from industrial and commercial processes by collecting dust and other impurities from air or gas. Designed to handle heavy… … Wikipedia
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
Sail-plan — A sail plan is a set of drawings, usually prepared by a naval architect. It shows the various combinations of sail proposed for a sailing ship.The combinations shown in a sail plan almost always include three configurations:A light air sail plan … Wikipedia
One Canada Square — A view of One Canada Square, the second tallest building in the United Kingdom. Record height Tallest in the United … Wikipedia
Traction engine — A traction engine is a self propelled steam engine used to move heavy loads on roads, plough ground or to provide power at a chosen location. The name derives from the Latin tractus , meaning drawn , since the prime function of any traction… … Wikipedia
knight — knightless, adj. /nuyt/, n. 1. a mounted soldier serving under a feudal superior in the Middle Ages. 2. (in Europe in the Middle Ages) a man, usually of noble birth, who after an apprenticeship as page and squire was raised to honorable military… … Universalium
