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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.
Shares & Saves. Save. Image by Flickr.com, courtesy of Daniel Cooper. The purpose of any car's heat shield is to do exactly what its name implies--to shield various parts of the car, the driver and the immediate environment from the heat generated by certain automotive systems.Other People Are Reading.hares & Saves. Save. Image by Flickr.com, courtesy of Daniel Cooper. The purpose of any car's heat shield is to do exactly what its name implies--to shield various parts of the car, the driver and the immediate environment from the heat generated by certain automotive systems.