What is the use of manholes in sewage ?
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A. ᴛʜᴇʏ ᴀʀᴇ ᴜsᴇᴅ ᴛᴏ ᴄᴀʀʀʏ ᴏᴜᴛ ɪɴsᴘᴇᴄᴛɪᴏɴ, ᴄʟᴇᴀɴɪɴɢ ᴀɴᴅ ʀᴇᴍᴏᴠɪɴɢ ᴏʙsᴛʀᴜᴄᴛɪᴏɴ ɪɴ ᴛʜᴇ sᴇᴡᴇʀ ʟɪɴᴇ.
B. ᴍᴀɴʜᴏʟᴇ ᴀʟʟᴏᴡs ᴊᴏɪɴɪɴɢ ᴏғ sᴇᴡᴇʀs ᴏʀ ᴄʜᴀɴɢɪɴɢ ᴛʜᴇ ᴅɪʀᴇᴄᴛɪᴏɴ ᴏғ sᴇᴡᴇʀ ᴏʀ ᴀʟɪɢɴᴍᴇɴᴛ ᴏғ sᴇᴡᴇʀ ᴏʀ ʙᴏᴛʜ.
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To do cleaning and removal of any obstruction present in the sewage line. The joining of sewars the change of direction or the allignment of sewers can be performed with the help of manhole. These have perforated cover which helps the foul glass to escape.
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