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  1. Jan 2020
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    properties lead - Google Search
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    1. Eli.U.P3 16 Jan 2020
      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.

      c-lead k-problem k-fact
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    a good way of keeping lead out the air - Google Search
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    1. Eli.U.P3 16 Jan 2020
      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.

      k-answer k-problem c-lead
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