Shielded metal arc welding (smaw) nc 1 competency based curriculum
Shielded metal arc welding (smaw) nc 1 competency based curriculum
- Taguig City Technical Education and Skills Development Authority [19??]
- 79 p. ; 30 cm. 30 cm
Welding
08.14.3 TES PHL 19??
Welding
08.14.3 TES PHL 19??