"A charcoal pile or charcoal clamp is a carefully arranged pile of wood, covered by turf or other layer, inside which a fire is lit in ...
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order to produce charcoal. The pile is tended by a charcoal burner. It is similar to a charcoal kiln, but the latter is usually a permanent structure made of materials such as stone." - (en.wikipedia.org 18.04.2021)