 |
| |||
| природно-технологический (natural-technological events (i.e., industrial accidents triggered by natural phenomena or na-techs) MichaelBurov); природно-техногенный (nature-man-made environment MichaelBurov) | |||
| nature- man-made: 7 phrases in 3 subjects |
| Ecology | 5 |
| General | 1 |
| Security systems | 1 |