Guidelines about Sewerage & Drainage Lines in House

[@aaaaaaaaaaaaaaaaaaaaaaa993]

bad sound quality ... also are you going to break that concrete slab later when installing pipes in that duct ??

[@syedabdulazeem9998]

sound quality was not good

[@gemcon_eng]

Yes we know. It's air noise, we will try to avoid in future

[@samiamanullah1454]

you are an engineer, i mean an educated guy..you are expected to pronounce the word "plumber" correctly not like uneducated people. plz check the dictionary...by the way your videos are informative and very helpful.