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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.
Replacing an advertising poster in London using an aerial work platform. An aerial work platform (AWP), also an aerial device, aerial lift, boom lift, bucket truck, cherry picker, elevating work platform (EWP), mobile elevating work platform (MEWP), or scissor lift, is a mechanical device used to provide temporary access for people or equipment to inaccessible areas, usually at height.
Sailors hauling a halyard. In sailing, a halyard or halliard is a line that is used to hoist a ladder, sail, flag or yard.The term "halyard" derives from the Middle English halier ("rope to haul with"), with the last syllable altered by association with the English unit of measure "yard". [1]
The American Crane Corporation was founded in 1882 as the Franklin Manufacturing Company, and in 1892 the name changed to American Hoist & Derrick. The company manufacturers terrain cranes, crawler cranes and tower cranes.
Car insurance premiums in America are through the roof — and only getting worse. ... These 5 magic money moves will boost you up America's net worth ladder in 2024 — and you can complete each ...
Scaffolding for rehabilitation in Madrid, Spain [1] Scaffolding for renovation on the Virgin Mary statue, Santiago de Chile, Chile.. Scaffolding, also called scaffold or staging, [2] is a temporary structure used to support a work crew and materials to aid in the construction, maintenance and repair of buildings, bridges and all other human-made structures.
A 13th century drawing of a treadwheel crane. A treadwheel crane (Latin: magna rota) is a wooden, human powered hoisting and lowering device.It was primarily used during the Roman period and the Middle Ages in the building of castles and cathedrals.
In 1899, while working at his father's carriage manufacturing business and volunteering for the Kenosha, Wisconsin fire department, Peter Pirsch received the patent for the trussed extension ladder, a marked improvement upon the older, solid ladders that firemen had been using up to that point. With patent in hand, he founded Peter Pirsch ...