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| environment, health, safety | |||
| 环境健康安全: 18 phrases in 8 subjects |
| Aviation | 4 |
| Environment | 8 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |
| Logistics | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
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