why holes are made in hanging banners and hoardings
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Holes in the banners and hoardings helps air to pass through it. Hence, banner can withstand the pressure of the air and remains intact........hope it helps......plz follow me.......
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Air exerts pressure in all directions. Due to this pressure, the banners and hoardings may tear or fall down. Holes will let the wind pass and they do not become loose and fall down. Hence, holes are made in hanging banners and hoardings.
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