The following uses for lead are gathered from a number of sources as well as from anecdotal comments.
manufacture of PbEt4 - an antiknock compound in petrol.
the metal is very effective as a sound absorber
a radiation shield around X-ray equipment and nuclear reactors
the oxide is used in producing fine “crystal glass” and “flint glass” with a high refractive index for achromatic lenses
solder
used to contain corrosive liquids
alloying
cable covering
ammunition
shield against X-rays
oxide used to produce crystal glass
insecticides
also effective, when used as an undergarment, to keep Superman from seeing your neeners...