 |
| |||
| harmful production factor (ABelonogov); industrial health hazard (Title, Industrial Health Hazards and Occupational Diseases in Ohio University of Chicago Digital Preservation Collection. Author, Emery Roe Hayhurst. Contributor, Ohio. State Board of Health. Publisher, University of Chicago, 1915. Alexander Demidov) | |||
| occupational hazard (Yerkwantai); harmful factor (Leonid Dzhepko) | |||
| harmful occupational factor (Alexander Demidov) | |||
| вредный производственный фактор: 30 do fraz, 8 tematyki |
| Bezpieczeństwo i higiena pracy | 11 |
| Ekologia | 2 |
| Higiena przemysłowa | 1 |
| Pospolicie | 2 |
| Przemysł chemiczny | 1 |
| Sachalin | 10 |
| Sachalin r | 2 |
| Systemy bezpieczeństwa | 1 |