'There's no lead in a typical No. 2 pencil, just this mineral also known as plumbago'
graphite
LEAD OR NO LEAD: Theres no lead in a typical No. 2 pencil, just this mineral also known as plumbago
There's no lead in a typical No. 2 pencil, just this mineral also known as plumbago
There's no lead in a typical No. 2 pencil, just this mineral also known as plumbago
LEAD OR NO LEAD
graphite
LEAD OR NO LEAD