Explain why holes are made in hanging banners & hoardings.
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Banners have wide area for advertising or for advertisements, so it also there changes the path of wind by blocking their routes.
So, holes are made in it to allow the air to pass through it, and hence, avoid the tarring of posters or banners.
So, holes are made in it to allow the air to pass through it, and hence, avoid the tarring of posters or banners.
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