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Lead bricks are commonly used as radiation shielding. Lead shielding refers to the use of lead as a form of radiation protection to shield people or objects from radiation so as to reduce the effective dose.
In its metallic form, lead is used as a protective shielding against x-rays. Lead is poisonous, a characteristic that has led to a reduction in the use of lead compounds as pigments for paints and inks.In dentistry, lead acts as a protective shield against the radiographic beam and is found in the lead apron and walls of the surrounding operatory.) It is poisonous, a characteristic that has led to a reduction in the use of lead compound as pigments for paints and inks. lead apron, n See apron, lead.