This video lecture explains everything about SANITARY WELL
Very good video
kzread.info/dash/bejne/d4R2ts1-eqTafag.html
Nice
Can u explain what is cone of filtration
Tq
thanx....... :p
Preparation of sanitary wells vala video
Пікірлер: 8
Very good video
@blackpanda5467
3 жыл бұрын
kzread.info/dash/bejne/d4R2ts1-eqTafag.html
Nice
Can u explain what is cone of filtration
Tq
thanx....... :p
@blackpanda5467
3 жыл бұрын
kzread.info/dash/bejne/d4R2ts1-eqTafag.html
Preparation of sanitary wells vala video