BRANCH Test Layout | Using Pipe-Fitters Blue Book | Pipeline Welding Test
20:13
45 DEGREE LATERAL BRANCH layout/fit-up using the Pipefitters Blue Book
26:29
Torch Cutting Basics Everyone Should Know | Oxygen & Acetylene Fuel
32:00
Testing Day at the Welding Lab | How do I Pass my Pre-Employment Weld Test?
5:12
Every Pipe Fitter Must Know This Pipe Fitting Techniques.
7:53
Pipeline branch test
6:24
Round Pipe Secret Tricks // Notching ideas For Round Pipe
4:18
cách cắt ngàm 2 ống tròn khác kích thước
21:35