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An extension ladder. A ladder is a vertical or inclined set of rungs or steps commonly used for climbing or descending. There are two types: rigid ladders that are self-supporting or that may be leaned against a vertical surface such as a wall, and rollable ladders, such as those made of rope or aluminium, that may be hung from the top.
Ladders Description and Drill. Board of Fire Commissioners of NSW (1941). Annual Report for year 1940. Board of Fire Commissioners of NSW. Various reports – Motor Fire Engines (Maintenance & Repairs). Board of Fire Commissioners NSW (1943). Annual Report for 1942. Board of Fire Commissioners of NSW (1975). Fire News - Winter (Vol. 2; No 5.
SD-19 in conjunction with MIL-HDBK-512, Parts Management guidance; MIL-HDBK-512 handbook is a guide for Military Acquisition Activities (AA) in the preparation of Requests for Proposals (RFPs) with respect to a parts management program, and will help determine to what extent parts management should be for a given program. It will also identify ...
German firefighters using a modern hook ladder. A hook ladder, also known as a pompier ladder (from the French pompier meaning firefighter) is a type of ladder that can be attached to a window sill or similar ledge by the use of a hooked extending bill with serrations on the underside. The hooked ladder then hangs suspended vertically down the ...
It is the use of spreaders (long treads that extend well past the vertical ropes) in a pilot ladder that distinguishes it from a Jacob's ladder. When not being used, the ladder is stowed away, usually rolled up, rather than left hanging. On late 19th-century warships, this kind of ladder would replace the normal fixed ladders on deck during battle.
If the ladder is parallel to the ship, it has to have an upper platform. Upper platforms are mostly turnable. The lower platform (or the ladder itself) hangs on a bail and can be lifted as required. [citation needed] To prevent damage to boats going under the ladder as the water level rises and falls, a boat fender is fitted to the end of the ...