 |
| |||
| active surface | |||
| face of tooth; flank; tooth flank; tooth surface | |||
| wind collector | |||
| active area | |||
| active surface (of ultrasonic head); effective irradiation surface (of ultrasonic head) | |||
|
surface active : 12 do fraz, 6 tematyki |
| Chemia | 1 |
| Hutnictwo | 6 |
| Nauka o ziemi | 2 |
| Technologia informacyjna | 1 |
| Transport | 1 |
| Zasoby naturalne i ochrona dzikiej przyrody | 1 |