 |
| |||
| heat-on period | |||
| warm-up period | |||
| period of heating | |||
| heating period; heating-up period; period of heat | |||
| период нагрева: 9 do fraz, 3 tematyki |
| Hutnictwo | 7 |
| Pospolicie | 1 |
| Technika i technologia | 1 |
|
| |||
| heat-on period | |||
| warm-up period | |||
| period of heating | |||
| heating period; heating-up period; period of heat | |||
| период нагрева: 9 do fraz, 3 tematyki |
| Hutnictwo | 7 |
| Pospolicie | 1 |
| Technika i technologia | 1 |