Ladder
Vertical or steeply inclined set of rungs or steps / From Wikipedia, the free encyclopedia
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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. The vertical members of a rigid ladder are called stringers or rails (US) or stiles (UK). Rigid ladders are usually portable, but some types are permanently fixed to a structure, building, or equipment. They are commonly made of metal, wood, or fiberglass, but they have been known to be made of tough plastic.
For other uses, see Ladder (disambiguation).
"Step ladder" redirects here. For the EP by Teddy Geiger, see Step Ladder (EP).