 |
| |||
| natural-technological disaster (Rus: most hits MichaelBurov); natech disaster (Rus: most hits MichaelBurov); na-tech disaster (Rus: most hits MichaelBurov); natural-technological hazard (Rus: most hits MichaelBurov); natech hazard (Rus: most hits MichaelBurov); na-tech hazard (Rus: most hits MichaelBurov) | |||
| природно-техногенная катастрофа: 5 do fraz, 1 tematyki |
| Systemy bezpieczeństwa | 5 |