Use "copper belt" in a sentence

1. The line had been laid from Livingstone, on the southern border, to the Copper Belt area and the Congo border adjacent to the Copper Belt.

2. The copper belt corrosion was caused by H 2 S and active sulfur in naphtha.

3. Jay-Cee Sales & Rivet offers copper belt rivets, with Burrs, in numerous diameters and lengths