Waste Water Engineering
In case of sewer lines

Water test is carried out to check water tightness of the joints
All listed here
Obstruction test is carried out with the help of smooth ball of diameter 13 mm
Test for straightness is carried out with the help of a lamp and mirror

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Waste Water Engineering
Traps

Dissolve the foul gases
Are water seals which prevent the entry of foul gases
Create symphonic action to increase the quick disposal of sewerage
Are used to trap the rats entering sewers

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