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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.
Morgan Olson is an American company that produces aluminum walk-in step vans. It was founded in 1946 on Long Island, New York.Previously owned by Northrop Grumman and doing business as Grumman Olson for several decades, the company was then taken over by a group of senior managers.
An attic ladder (US) or loft ladder (UK) is a retractable ladder that is installed into an attic door/access panel. They are used as an inexpensive and compact alternative to having a stairway that ascends to the attic of a building. They are useful in areas with space constraints that would hinder the installation of a standard staircase.
A pilot ladder has specific regulations on step size, spacing and the use of spreaders. 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.
The title of Ladder Keeper does not appear after 1831 (although there is a gap in records from 1835 to 1856). William Balsley, an uncle, was on the town council at the time the office was created. Although none of his family seems to have held this new office, one can only speculate whether it somehow stimulated an interest in ladders on the ...
Until 2000, the Northwestern United States produced up to 17 percent of the world's aluminum and 40 percent of the aluminum produced in the United States. [154] The commoditization of power in the early 21st century, coupled with a drought that reduced the generation capacity of the river, damaged the industry and by 2001, Columbia River ...
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Harbor Steps has a large outdoor staircase, as well as condominiums, hotels, offices, and retail spaces. [5] The stairway connects First Avenue and Western Avenue, and has two fountains and plants. [ 6 ] [ 7 ] A pedestrian-only section of Post Alley runs through the center of the Steps, [ 8 ] which have been described as "Seattle's version of ...
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