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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.
Stairclimber wheels. A stairclimber is a type of trolley fitted with rotating wheels or tracks so that it can be pushed or pulled up or down steps or a stairway.Stairclimbers can be manual or battery-powered, and are commonly found in wheel, track, push arm or walker variants.
An important specification used by stair lift manufacturers in Europe was British Standard BS 5776: 1996 Specification For Powered Stair lifts, produced by The British Standards Institution. [4] It has since been replaced by BS EN 81-22:2021: Safety rules for the construction and installation of lifts.' [5]
A stair flight is a run of stairs or steps between landings. A stairwell is a compartment extending vertically through a building in which stairs are placed. A stair hall is the stairs, landings, hallways, or other portions of the public hall through which it is necessary to pass when going from the entrance floor to the other floors of a building.
A German-Canadian resident of China was sentenced to 24 months in prison in the U.S. for stealing electric vehicle trade secrets from Tesla for his competing EV battery business, the U.S ...
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The steps are linked by a continuous metal chain that forms a closed loop. The front and back edges of the steps each have two wheels, the rear of which are set further apart and fit into the trailer-wheel track while the front set have narrower axles and fit the step-wheel track.
Emergency exit in Universitetet metro station in Stockholm. An emergency exit in a building or other structure is a special exit used during emergencies such as fires.The combined use of regular and emergency exits allows for faster evacuation, and emergency exits provide alternative means of evacuation if regular exits are inaccessible.