Proverbs 17:3
BIB: מַצְרֵ֣ף לַ֭כֶּסֶף וְכ֣וּר
NAS: The refining pot is for silver
KJV: The fining pot [is] for silver,
INT: the refining silver and the furnace

Proverbs 27:21
BIB: מַצְרֵ֣ף לַ֭כֶּסֶף וְכ֣וּר
NAS: The crucible is for silver
KJV: [As] the fining pot for silver,
INT: the crucible silver and the furnace