全球梯子市场报告(2017-2021年)
A ladder is an equipment that consists of a series of horizontal bars connecting two
vertical lengths of wood, metal, or a rope, and used for climbing up and down an attic
or a loft. These ladders are used for industrial, domestic, or commercial applications.
Ladders are made of mainly three materials: aluminum, fiberglass, or wood. The
various types of ladders include: