Machinery Crushing

iron ore pellets

Iron ore - WikipediaThis stockpile of iron ore pellets will be used in steel production. Iron ores are rocks and minerals from which metallic iron can be econ...

lead mining cadmium

Biomonitoring of lead, zinc, and cadmium in streams ...We evaluated exposure of aquatic biota to lead (Pb), zinc (Zn), and cadmium (Cd) in streams draining a ...