Ferrous metallurgy (basic)
Ferrous metallurgy (basic)
Raw iron is produced from iron ore in iron smelters.
5 – 12-р анги
Түлхүүр үгс
mozaLink
/Веб холбоос
Raw iron is produced from iron ore in iron smelters.
5 – 12-р анги
Түлхүүр үгс
mozaLink
/Веб холбоос