Tog'-kon ishlaridagi changning roli
silikozpnevmokonioztog'-kon ishlarichang zarralari
16 betPPTX38 ko'rildi0 marta sotilgan
4 000 so'm
PRO TALABA2816 ta hujjat sotilgan
Tavsif
This book discusses the role of dust in mining work, its impact on health, and the importance of protective measures. It also covers ventilation systems and safety standards in the mining industry
Hujjat haqida
- Kategoriya
- Taqdimotlar | Biologiya
- Format
- PPTX
- Hajmi
- 16 bet
- Fayl hajmi
- 1.68 MB
- Muallif
- PRO TALABA
- Qo'shilgan
- 05.03.2026
