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Orchard ladder, a three legged step ladder with the third leg made so that it can be inserted between tree branches for fruit picking. Platform ladder, a step ladder with a large platform area and a top handrail for the user to hold while working on the platform. Retractable ladder, a ladder that looks like a drainpipe but can be deployed ...
Boarding aids range in cost, complexity, safety, and ease of use, from a boarding stirrup or a rope ladder, through rigid ladders and stairs with handrails, christmas tree ladders which allow the diver to climb while wearing fins, to temporary and fixed stern dive platforms, lifting platforms, diver lifts, and passerelles. [7]: 12–13
Fall protection system: Fixed ladders above 24' must have a fall protection system in accordance with OSHA Standard 1910.28(b)(9)(i)(C). Cages are not anymore considered as fall protection, and ladders that are newly installed or replaced after November 19, 2018, must have a fall protection system based on OSHA's new fixed ladder requirements.
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.
Sometimes confused with Jacob's ladders, but the design and construction of pilot ladders is governed tightly by international regulation and includes spreaders – elongated versions of the standard machined step – rather than the type of steps generally found on Jacob's ladders. pilothouse An alternative term for a ship 's bridge or ...
A railway track (CwthE and UIC terminology) or railroad track (NAmE), also known as permanent way (CwthE) [1] or "P Way" (BrE [2] and Indian English), is the structure on a railway or railroad consisting of the rails, fasteners, sleepers (railroad ties in American English) and ballast (or slab track), plus the underlying subgrade.