Shenhai Explosion-Proof
Cov cuab yeej siv kev nyab xeeb hauv cov mines thee suav nrog ntau yam khoom: nqa thiab thauj khoom siv, mechanical thiab hluav taws xob khoom siv, cov cuab yeej siv mining, dej tswj systems, cov khoom siv cua tshuab thiab kev teeb tsa, roj tiv thaiv kev daws teeb meem, thee plua plav tiv thaiv chaw, cov cuab yeej tiv thaiv hluav taws thiab tua hluav taws, kev ruaj ntseg xyuas thiab tswj systems, nrog rau kev xa khoom thiab kev sib txuas lus infrastructure.
