In case of sewer lines?

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

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 4

4 views Answered 2022-09-01 13:21

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