... Nasarawa, Taraba, Plateau, Abia, Ebonyi, Bauchi and Abuja. ApplicationOre is recovered by blasting then dumping, followed by crushing and finally ... of lead metal and lead alloys for building construction, lead-acid batteries, weights, as part of solders, pewters, fusible alloys ... , and as a radiation shield. Zinc concentrate is used as an anti-corrosion agent to protect iron and steel against ...