SIC Sourcing In China

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SIC sourcing in china

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A ladder is a vertical or inclined set of rungs or steps. There are two types: rigid ladders that can be leaned against a vertical surface such as a wall, and rope ladders that are hung from the top. The vertical members of a rigid ladder are called stringers (US) or stiles (UK). Rigid ladders are usually portable, but some types are permanently fixed to buildings.

Fixed ladder, Two side members joined by several rungs; affixed to structure with no moving parts

Step ladder, hinged in the middle to form an inverted V, with stays to keep the two halves at a fixed angle

Platform steps, step ladder with small horizontal platform at the top

Orchard ladder, three legged step ladder with third leg made so that it can be inserted between tree branches for fruit picking

Roof ladder, rigid ladder with large hook at the top to grip the ridge of a pitched roof

Cat ladder, lightweight ladder frame used on steep roofs to prevents workers from sliding

Hook ladder or pompier ladder, rigid ladder with a hook at the top to grip a windowsill; used by firefighters

Bridge ladder, ladder laid horizontally to act as passage between two points separated by a drop.

Vertically rising ladder, a ladder designed to climb high points and facilitate suspending there

Turntable ladder, extension ladder fitted to rotating platform on top of a fire truck