1. Approval: 1 Welding Procedure Spesification (WPS) Approval - Initial
2. Approval: 2 Welder Test & Certification ( Welder Approval Initial)
3. Approval: 3 Welding Shop/Workshop Approval - Initial
4. Approval: 4 Welder Certification
5. Approval: 6 Welding Shop / Workshop Approval - Intermediate
6. Approval: 7 Welding Shop / Workshop Approval - Renewal
7. Approval: 8 Welding Shop / Workshop Approval - Occasional