Why there are holes on hoardings as well as clothes or plastic banners of
advertisements hanged freely?
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Answered by
446
Air exerts pressure due to this pressure banners and hoardings flutter and turn when the wind is blowing fast. Holes are made in banners and hoardings for the event passes through the holes and they do not become loose and fall down
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Answer:
Air exerts pressure due to this pressure banners and hoardings flutter and turn when the wind is blowing fast. Holes are made in banners and hoardings for the event passes through the holes and they do not become loose and fall down
Explanation:
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