"It is wound up by a great wheel"
Headgear, Namibia
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Headgear, also known as a headframe, gallows frame, or winding tower, is the structural frame above an underground mine shaft.  Modern headgear is built from steel, concrete or a combination of both.  The headgear houses the hoist or winder, which raises and lowers conveyances within the mine shaft.  The three principal types of hoist used in mining applications are the drum hoist, friction hoist, and Blair multi-rope hoist.