Furnace in example sentence
Ladders, seven metres in length, followed one another, some still firm, others shaky, yielding and almost broken; the steps were narrow and green, so rotten that one seemed to walk in moss; and as one went down the heat grew suffocating, :he heat of an oven proceeding from the air-shaft which was, fortunately, not very active now the strike was on, or when the furnace devoured its five thousand kilograms of coal a day, one could not have risked oneself here without scorching one's hair.