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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 |