Gas testing examination

Indian examination for mining safety jobs

en-GB/ˈɡæs ˈtɛstɪŋ ɪɡˌzæmɪˈneɪʃn/
en-US/ˈɡæs ˈtɛstɪŋ ɪɡˌzæməˈneɪʃən/

الفئات:

professional certification