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Climbing elevator. A climbing elevator is a self-ascending elevator with its own propulsion. The propulsion can be done by an electric or a combustion engine. Climbing elevators are used in guyed masts or towers, in order to make easy access to parts of these constructions, such as flight safety lamps for maintenance.
Platform screen doors on the Elizabeth line at Farringdon in 2019 "Horizontal lift" style doors at Lomonosovskaya station on the Saint Petersburg Metro, the first type of screen doors in the world The idea for platform edge doors dates from as early as 1908, when Charles S. Shute of Boston was granted a patent for "Safety fence and gate for ...
A paternoster in Prague Paternoster elevator in The Hague, when it was still in operation. A paternoster (/ ˌ p eɪ t ər ˈ n ɒ s t ər /, / ˌ p ɑː-/, or / ˌ p æ-/) or paternoster lift is a passenger elevator which consists of a chain of open compartments (each usually designed for two people) that move slowly in a loop up and down inside a building without stopping.
An elevator fell from the 22nd floor at a building under construction due to a snapped cable. [20] Salvador de Bahia, Brazil: 8–10 0-2 1904-01-13 A crowd of employees at a Brown Shoe Company factory was waiting for the elevator when someone raised the gate, causing 10 people to fall down the shaft. At least 8 people were killed and two others ...
Concern over possible full-scale Israel-Hezbollah war grows as IDF moves forces to Lebanon border after exploding pager attack.
In engineering, a fail-safe is a design feature or practice that, in the event of a failure of the design feature, inherently responds in a way that will cause minimal or no harm to other equipment, to the environment or to people. Unlike inherent safety to a particular hazard, a system being "fail-safe" does not mean that failure is naturally ...
Bar gate. Animation of level crossing booms lowering in Queensland, Australia. A bar gate in the Netherlands. A bar, post, pole, beam, or boom gate, [1] also known as a boom or a boom barrier, [citation needed] is a beam or bar on a pivot used as a gate. The boom is lowered to block vehicular or pedestrian access through a controlled point or ...
Wheelchair lift. A wheelchair lift, also known as a platform lift, or vertical platform lift, is a fully powered device designed to raise a wheelchair and its occupant in order to overcome a step or similar vertical barrier. Wheelchair lifts can be installed in homes or businesses and are often added to both private and public vehicles in order ...