Explain why holes are made in hanging banners and hoardings.
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Air exerts pressures. wind blowing in high speed may break or displace many things. If holes are made in hanging banners and hoardings, then air can pass through these holes, which reduces the air pressure extended ton the banners and hoardings. tis is why holes are made in hanging banners and hoardings.
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3
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Holes in the banners and hoardings help air to pass through it. Hence, banner can withstand the pressure of the air and remains intact.
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