'Furnace' in the Bible

and these they will throw into the fiery furnace. There will be the weeping aloud and the gnashing of teeth.

and will throw them into the fiery furnace. There will be the weeping aloud and the gnashing of teeth."

His feet were like silver-bronze, when it is white-hot in a furnace; and His voice resembled the sound of many waters.

and he opened the depths of the bottomless pit. And smoke came up out of the pit resembling the smoke of a vast furnace, so that the sun was darkened, and the air also, by reason of the smoke of the pit.