Beautiful Burning Yellow Flame Black Coal In Furnace (Stock Footage)

Beautiful Burning Yellow Flame Black Coal In Furnace (Stock Footage)

Beautiful burning yellow flame black coal in furnace. Flame burns very bright and hot, shows some coals are Smoking. Charcoal, it lights up at a lower temperature and burn faster, retains microporous structure of wood. If to heat coal that it should be allowed to burn to carbon, volatile components, same coke oven gas, must be burned.

by
by
by
by
by
by