 |
| |||
| downhand welding; flat position welding; gravity position welding; horizontal position welding | |||
|
soudage horizontal : 11 do fraz, 2 tematyki |
| Hutnictwo | 7 |
| Przemysł | 4 |
|
| |||
| downhand welding; flat position welding; gravity position welding; horizontal position welding | |||
|
soudage horizontal : 11 do fraz, 2 tematyki |
| Hutnictwo | 7 |
| Przemysł | 4 |