Why are moon-shaped carvings the best at preventing CO2 buildup?
Md Ariful Islam
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Dr. Md Rushad Rahman
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পিজিটি(মেডিসিন)
The moon shape carvings are big enough to allow CO2 to exit the igloo, and the carvings won't weaken the structure of the bricks as much as a circle or square would. Also, the moon carvings won't allow as much cold air to enter the igloo so the inside is kept warm.
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