Zinc ash, zinc dross.
Zinc Scrap.
Copper, brass, aluminium, zinc, tin.
Industrial rocks & minerals, mineral ores, limestones, raw materials of making cement clinker, construction stones - dolomite - magnesite - talc - quartzite, - granite, other construction stones - quartz - feldspars - garnets, - zircons, tourmalines, - other minerals, mineral ores - iron ores - magnesite ores - lead, zinc ores.