 |
| |||
| hot-gun repair (мартеновской печи); making the bottom | |||
| hearth fettling | |||
| hot-gun repairs | |||
| burning-in; hot-gun repairs (мартеновской печи) | |||
| наварка пода: 4 phrases in 2 subjects |
| Mechanic engineering | 1 |
| Technology | 3 |
|
| |||
| hot-gun repair (мартеновской печи); making the bottom | |||
| hearth fettling | |||
| hot-gun repairs | |||
| burning-in; hot-gun repairs (мартеновской печи) | |||
| наварка пода: 4 phrases in 2 subjects |
| Mechanic engineering | 1 |
| Technology | 3 |