Piping Interview Questions Part - 2 हिंदी में (Pipe Fittings Code & Standards)
10:22
Piping Interview Questions Part-3 हिंदी में Pipe Fittings Materials
12:00
Piping Interview Questions Part -1 हिंदी में (Code and Standards)
22:23
Piping basic - NPS, DN, Pipe Schedule
10:39
Piping Interview Question Part 8 हिंदी में - Important Questions -1
19:39
Transmission Manuelle
6:34
Piping Interview Questions | Part-1 | Piping Mantra |
4:18
piping material code, piping astm standard
12:26