Changes

* [[Brass]]** 1.00 kg [[Zinc]] lump + 0.15 kg [[Copper]] lump = 0.10 kg [[Brass]] lump* [[Bronze]]** 0.50 kg [[Tin]] lump + 0.15 kg [[Copper]] lump = 0.10 kg [[Bronze]] lump* [[Steel]]** 0.20 kg [[Iron]] lump + 0.20 kg [[Charcoal]] = 0.40 kg [[Steel]] lump* Electrum** 0.10 kg Silver lump + 0.10 kg Gold lump = 0.10 kg Electrum lump.