What is invert level of pipe? | sewerage pipe line ka invert level kia hota hy | invert level

invert level maloom krny ka treeqa.
sewerage pipe line mein invert level kia hota hy.
what is invert level of pipe in Hindi?.
#vlog #foryou

[@saidnabi3806]

Very good

[@umairilyas7104]

ya teacher kon ar khah sa hah.? very impressive

[@noumanmughaltok]

Ye teacher raja Masood chief surveyor han or gujjar khan ke han🥰