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examples of doors [2]click to hear

Doors: composed of a movable part, the wing, and a frame; their function is to close up a bay.
examples of doors [2] automatic sliding door wing motion detector

automatic sliding door click to hear

Door activated by a motion detector that causes the wings to slide along a rail.

wing click to hear

The part of the door that moves.

motion detector click to hear

Device that detects the presence of a person and is set to open and close the wings.