why are holes made in hanging hoardings and banners
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6
To allow the air to pass across it if holes are not made hoardings will be removedand teared by the pressure of air so holes are necessary in hoardings.
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Answered by
8
so that air can easily pass through them and not exert pressure on the banners. if the holes were not made then the air will exert pressure which will tear the banners
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