Do I have to use clay pots or will PVC/metal cylinders work?
Md Ariful Islam
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এমবিএ(মার্কেটিং)
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Dr. Md Rushad Rahman
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পিজিটি(মেডিসিন)
You cannot use PVC or metal containers because they don't allow evaporation like clay pots do, which is the whole point of the device. Clay pots allow evaporative cooling to take place because they are permeable to air.
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