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insulation
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Insulation
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Process or material that prevents or reduces the flow of electricity, heat, or sound from one place to another.
Materials that are poor conductors of heat, such as glass, brick, water, or air, are good insulators. They play a vital role, for example, in keeping homes and people warm.
© Research Machines plc 2008. All rights reserved. Helicon Publishing is a division of Research Machines plc.
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