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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.
Usually the full-metal-jacket that surrounds the 'soft' lead bullet is made of hard copper or nickel and sometimes even steel (which will cause premature barrel wear if continually used).These will 'expand' or deform if they strike something harder than flesh, bone and muscle.sually the full-metal-jacket that surrounds the 'soft' lead bullet is made of hard copper or nickel and sometimes even steel (which will cause premature barrel wear if continually used). These will 'expand' or deform if they strike something harder than flesh, bone and muscle.