Mahsulot tavsifi
This product focuses on the basic tasks of labor hygiene, understanding the harmful effects of technological processes on workers, and identifying optimal parameters for harmful substances
#технология#зарарли омиллар#меҳнат гигиена
Muallif

asadbek. esonboyev1Tasdiqlangan muallif
- Hujjatlari
- 3 453
- Sotilgan
- 201









