Answer: Bases
What makes up the rungs of the "ladder"?

A ladder is a vertical or inclined set of rungs or steps. There are two types: rigid ladders that are self-supporting or that may be leaned against a vertical surface such as a wall and rollable ladders such as those made of rope or aluminium that may be hung from the top. The vertical members of a rigid ladder are called stringers or rails (US) or stiles (UK). Rigid ladders are usually portable but some typ…

A ladder is a vertical or inclined set of rungs or steps. There are two types: rigid ladders that are self-supporting or that may be leaned against a vertical surface such as a wall and rollable ladders such as those made of rope or aluminium that may be hung from the top. The vertical members of a rigid ladder are called stringers or rails (US) or stiles (UK). Rigid ladders are usually portable but some types are permanently fixed to a structure building or equipment. They are commonly made of metal wood or fiberglass but they have been known to be made of tough plastic.

Ladders are ancient tools and technology. A ladder is featured in a Mesolithic rock painting that is at least 10 000 years old depicted in the Spider Caves in Valencia Spain . The painting depicts two humans using a ladder to reach a wild honeybee nest to harvest honey . The ladder is depicted as long and flexible possibly made out of some sort of grass.

A ladder is a tool which is made for people to climb up or down. Ladders have two vertical supports that go along th...

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