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| общее количество отработанных часов (are the total number of hours worked including overtime and training but excluding leave, sickness and other absences); общее количество часов воздействия вредного вещества (are the total number of hours worked including overtime and training but excluding leave, sickness and other absences; излучения (и т.п.)) | |||
| exposure hours: 3 phrases in 3 subjects |
| Makarov | 1 |
| Occupational health & safety | 1 |
| Oil and gas | 1 |