Iron, lead, zinc
Iron, lead, zinc
Zinc ash, EAF dust, copper concentrate, lead concentrate, tin, nickel, copper, zinc
Non ferrous metals, zinc ore, lead ore
Copper, zinc, lead and silver
Zinc, copper, lead
Lead, zinc concentrate
Lead, tin, copper, zinc (non ferrous)
Zinc ingots, lead ingots
Lead metal, stearic acid, zinc
Lead concentrate, zinc concentrate
Zinc ore, lead ore
Copper, lead and zinc ores
Copper, lead and zinc
Copper , zinc , lead concentrates and ores
Copper, lead, zinc
Zinc ore, lead ore
Lead ore, zinc ore
Lead & zinc concentrate
Zinc, tin, lead, cadmium, calcium, arsenic, selenium, calcium alloys
