Shenhai Kuputika-Uchapupu
Chitupa chekuchengetedza marasha uye chitupa chekuchengetedza mugodhi zvese zvinosungirwa chitupa chemidziyo yemigodhi uye zvigadzirwa., yakabudiswa neNational Safety Mark Center.
Chitupa chekuchengetedza marasha chine chekuita nemidziyo uye zvigadzirwa zvakagadzirirwa kushandiswa munzvimbo yepasi pemigodhi yemarasha.. Zvakasiyana, mine safety certification is designated for equipment and products used in underground settings of non-coal mines.