Though no longer used in homes, lead and lead-based alloys are easy to work with and are used for casting, smelting, and machining operations.
How Do Copper vs. Lead Bullets Affect Your Hunt? - RifleShooter
LEAD
C-10 Lead Base Alloy - Belmont Metals
Flooded Lead Acid Batteries (Lead Acid Battery) Explained - saVRee - saVRee
Lead and it's alloys
Preparation of High Purity Lead Oxide from Spent Lead Acid Batteries via Desulfurization and Recrystallization in Sodium Hydroxide
Lead - Belmont Metals
Flooded Lead Acid Batteries (Lead Acid Battery) Explained - saVRee - saVRee
About Lead and Copper - Utah Department of Environmental Quality