'This element, once widely used in plumbing is known in Latin as plumbum, hence its symbol Pb'
lead
THE ELEMENTS: This element, once widely used in plumbing is known in Latin as plumbum, hence its symbol Pb
This element, once widely used in plumbing is known in Latin as plumbum, hence its symbol Pb
This element, once widely used in plumbing is known in Latin as plumbum, hence its symbol Pb
THE ELEMENTS
lead
THE ELEMENTS