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The ladder itself is capable of being converted into several heights and configurations from a single ladder. Configurations include a straight or extension ladder, an A-frame ladder, a staircase ladder (an uneven A-frame for use on stairs), a 90° ladder, and both sides of a scaffolding trestle achieved through a triple locking hinge.
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.
The newer version had men pull on ropes from behind with the aid of a long pole to move the top ladder into position. Some ladders had a compartment built below it to house soldiers who provided covering fire with crossbows.
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.
Mobile safety steps are generally manufactured from steel and have a painted finish. A new European Standard was published in August 2013 [1] known as EN131-7 that covers mobile ladders with a platform commonly known in the UK as Mobile Safety Steps.
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23625 US-23, Circleville, OH · Directions · (740) 474-3874