2 Matching Annotations
  1. Jan 2020
    1. Lead isotopes are the end products of each of the three series of naturally occurring radioactive elements.

      lead is radioactive, so when you touch it, it can effect your body.

    1. Keep work areas clean. Do not use compressed air to remove lead dust.

      when you use compressed air to remove lead dust, can blow the lead into the air, causing people to breath it in.