OT-POET.filter - jps furnace:

jps@Psalms:21:9 @ Thou shalt make them as a fiery furnace in the time of thine anger; the LORD shall swallow them up in His wrath, and the fire shall devour them.

jps@Proverbs:17:3 @ The refining pot is for silver, and the furnace for gold; but the LORD trieth the hearts.

jps@Proverbs:27:21 @ The refining pot is for silver, and the furnace for gold, and a man is tried by his praise.