… loading or unloading machinery (for example, lifts, escalators, conveyors, teleferics). …
Explanatory notes
… MACHINES (A) Lifts are usually operated by winch and cable, or by rams worked by water, air or oil. They are used for raising or lowering a passenger cage or goods platform between vertical guide bars, and are … Rack and pinion driven lifts or hoists also belong to this category. These lifts and hoists consist of a lift cage, …