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प्रश्न
Why are hollow bricks used in the construction of cold storage rooms?
एक पंक्ति में उत्तर
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उत्तर
Brick is a bad conductor of heat, hence bricks greatly reduce the conduction of heat from outside to the room. In order to ensure better insulation, bricks are made hollow so that air-filled between these gaps provides insulation to heat.
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