 |
| |||
| health, safety and environment (Alexander Demidov) | |||
| safety, health and environment (igisheva); environment, health and safety (igisheva) | |||
| промышленная и экологическая безопасность: 5 phrases, 3 sujets |
| Général | 2 |
| Pétrole et gaz | 1 |
| Santé et sécurité au travail | 2 |