ladders and stepladders [1]

Movable devices of wood or metal, composed of rungs or steps and used to reach relatively high areas.

rope ladder

Suspension ladder whose side rails and rungs are made of cord.

hook ladder

Straight ladder with one end having fixed or detachable hooks to keep the ladder in place on a structure.

foldaway ladder

Articulating ladder that can be folded up into a trap door.

straight ladder

Ladder that leans against a wall, comprised of two parallel side rails joined by rungs.

extension ladder

Straight ladder of adjustable height, made up of two superimposed planes that slide one on the other.

antislip shoe

Part attached to the bottom end of the side rail to prevent slipping.

hoisting rope

Rope that is pulled to raise and lower the upper part of the ladder.

locking device

Hook immobilizing the upper part of the ladder at the desired height by hooking onto a rung; it can also be released to lower the upper part.

pulley

Small wheel for maneuvering the hoisting cord.

side rail

Part supporting rungs or steps.

rung

Bar on a ladder that constitutes a step.