tayyorishlar

Mahsulot tavsifi

This course covers the theoretical foundations of blasting works, types of explosive materials, and their characteristics, as well as safety measures in blasting works

#portlatish#xavfsizlik texnikasi#portlovchi moddalar

Muallif

PRO TALABATasdiqlangan muallif
Hujjatlari
116 840
Sotilgan
2 819

O'xshash hujjatlar