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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.
Lead is a dense, soft, low-melting metal. It is an important component of batteries, and about 75% of the world's lead production is consumed by the battery industry.Lead is the densest common metal except for gold, and this quality makes it effective in sound barriers and as a shield against X-rays.ead is used to make bearings and solder, and it is important in rubber production and oil refining. Lead production dates back at least 8,000 years. Lead was used in Egypt as early as 5,000. , and in the time of the Pharaohs it was used in pottery glazes and as solder.