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may be to keep mosquitoes out
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To stop cooling from going outside.
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To keep insects out of the hall.
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To separate two different spaces.... they are called air doors and they not only preserve the temperature but also prevent entry of contaminants.
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Also called air curtains...used to avoid contamination
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They are also called air curtains to prevent flies, dust, etc
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Air barrier, air door, whatever you name it. High speed air is basically used to maintain the temperature. It's aesthetically unpleasant to put some sort of plastic sheet so yeah such barriers are used. *Cooling Bahar Ni jaati* ;)
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These are called air cutters They prevent colling to go out nd same prevent outer hot air to come in to maintain the temperature of Hall
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Thank you everyone.
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Shopper double kara lo ✌️
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Abuzer Firdousi will u please take care of this kid?
Krta hon block
Please. Its not first time he is doing this.
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Sabeer Dar
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Air cutter to remove dust particles
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