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| environmentally safe (gov.ua, gov.ua bojana) | |||
| environmentally benign (technology) | |||
non-polluting (non-polluting vehicle – екологічно безпечний транспортний засіб  gov.ua bojana) | |||
| екологічно безпечний: 8 phrases in 4 subjects |
| Ecology | 3 |
| General | 1 |
| Military | 1 |
| Natural resourses and wildlife conservation | 3 |