25D13(STEEL) · minerals and metals (STEEL)
41B1 · open fire (in general)
47A122 · blast-furnace
47B111(+11) · smith, blacksmith (+ indoors; in laboratory, factory, barn, etc.)
47C1211 · preparing of material by melting
47D8(ANVIL) · tools, aids, implements ~ crafts and industries: anvil
47D8(HAMMER) · tools, aids, implements ~ crafts and industries: hammer
47D8(PINCERS) · tools, aids, implements ~ crafts and industries (PINCERS)
86(DUO IN UNO) · proverbs, sayings, etc. (DUO IN UNO)