1. Flame welding
2. MMAW welding
3. SAW welding
4. GTAW, GMAW welding
5. Electro-slag welding
6. Plasma welding
7. Electron beam welding
8. Laser welding
9. Resistance welding
10. Plastic matters welding
11. Ultrasonic welding
12. Diffusion welding
13. Explosive welding
14. Thermit welding
15. Friction welding
16. Flux cored wire welding
17. Electro-gas welding
18. Stud welding
19. Electric pulse welding
20. Pressure welding
21. Thermal spraying
22. Friction stir welding
23. Magnetic pulse welding
24. Oxygen cutting
25. Plasma cutting
26. Laser cutting
27. Water beam cutting
2. MMAW welding
3. SAW welding
4. GTAW, GMAW welding
5. Electro-slag welding
6. Plasma welding
7. Electron beam welding
8. Laser welding
9. Resistance welding
10. Plastic matters welding
11. Ultrasonic welding
12. Diffusion welding
13. Explosive welding
14. Thermit welding
15. Friction welding
16. Flux cored wire welding
17. Electro-gas welding
18. Stud welding
19. Electric pulse welding
20. Pressure welding
21. Thermal spraying
22. Friction stir welding
23. Magnetic pulse welding
24. Oxygen cutting
25. Plasma cutting
26. Laser cutting
27. Water beam cutting