Question

why do hanging banners and hoardings have holes in them.?

Answer 1

Explanation:

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

Answer 2

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• ʜᴏʟᴇs ᴀʀᴇ ᴍᴀᴅᴇ ɪɴ ʜᴀɴɢɪɴɢ ʙᴀɴɴᴇʀs ᴀɴᴅ ʜᴏᴀʀᴅɪɴɢs ᴛᴏ ᴀʟʟᴏᴡ ᴀɪʀ ᴛᴏ ᴘᴀss ᴛʜʀᴏᴜɢʜ ᴛʜᴇᴍ ᴀs ᴀ ʀᴇsᴜʟᴛ ᴏғ ᴡʜɪᴄʜ ᴛʜᴇʀᴇ ᴡɪʟʟ ʙᴇ ʟᴇss ᴘʀᴇssᴜʀᴇ ᴏғ ᴀɪʀ ᴏɴ ᴛʜᴇ ʙᴀɴɴᴇʀs ᴏʀ ʜᴏᴀʀᴅɪɴɢs. ᴜɴʟᴇss ɪᴛ ɪs ᴅᴏɴᴇ, ᴛʜᴇsᴇ ᴍᴀʏ ʙᴇ ᴜᴘʀᴏᴏᴛᴇᴅ ᴏʀ ᴅɪsᴛᴏʀᴛᴇᴅ ᴅᴜᴇ ᴛᴏ ᴛʜᴇ ᴘʀᴇssᴜʀᴇ ᴏғ ᴛʜᴇ ᴀɪʀ.