furnace "furnace" means any chamber, other than a boiler in which combustion takes place; PU(A) 280/1978 - ENVIRONMENTAL QUALITY (CLEAN AIR) REGULATIONS, 1978 2. Interpretation.
furnace "furnace" means any chamber, other than a boiler in which combustion takes place; PU(A) 280/1978 - ENVIRONMENTAL QUALITY (CLEAN AIR) REGULATIONS 1978 2. Interpretation