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Drilling Jumbo Commissioning mu Underground Lead uye Zinc Mine
Mumigodhi yepasi pevhu, zvibooreso mudziyo wakakosha wekuburitsa zvicherwa zvakakosha uye ores.Drilling jumbo/drilling rig chinhu chine simba chemidziyo inoshandiswa kuchera makomba munzvimbo dzakaomarara dzematombo kumigodhi netunneling mabasa.Yedu hydraulic drilling rigs...Verenga zvimwe