tayyorishlar

Mahsulot tavsifi

This course covers identifying and evaluating gases and chemical substances in the production environment. Topics include sources and effects of gases and chemicals, methods for identification and evaluation, as well as monitoring techniques and recommendations

#baholash#chang#kimyoviy birikma

Muallif

Sotuvchi 291059Tasdiqlangan muallif
Hujjatlari
68 703
Sotilgan
3 142

O'xshash hujjatlar