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absorbers. shielding material can include barrels, boards, vehicles, buildings, gravel, water, lead or whatever else is immediately available. α alpha – can be stopped after traveling through about inches of air, about inches of water, or a piece of paper or skin. a thin piece of paper, or even the dead cells
feet of lead. thick, dense shielding is necessary to protect against gamma rays. the higher the energy of the gamma ray, the thicker the shield must be. x-rays pose a similar challenge. this is why x-ray technicians often give patients receiving medical or dental x-rays a lead apron to cover other parts...
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