Down-the-hole drilling rig mudziyo unoshandiswa kucheresa (kuisa mugomba rakaboorwa) mudombo kana muvhu remutsetse usati waboora chirongwa.
Inoshandiswa zvakanyanya mumigodhi mikuru, yepakati uye midiki, magetsi emvura, zvekufambisa uye kumwe kuchera pasi nematombo uye mapurojekiti ekuputika, mapurojekiti ekutsigira mugodhi wemarasha, mabhomba akadzika emotokari dzemigodhi, nezvimwe.
Iyo yepasi-iyo-gomba drill yakagadzirwa zvinoenderana nemaitiro emigwagwa, njanji, kuchengetedza mvura, hydropower, kuvaka migodhi uye mamwe mapurojekiti.Migwagwa yacho haigoneki pakutanga kwekuvaka, uye kusimudza uye midziyo yekufambisa haigoni kutakura zvakananga midziyo kunzvimbo yekuvaka.Vanhu vazhinji vanogona chete kupinda panzvimbo nekudhonza mapendekete avo.Imwe yeakareruka pasi-the-hole drills, iyo inogona kuderedza huremu hwemubati kusvika pamwero mukuru, asi inogona kuzadzisa zvinodiwa nevashandisi zvekuchera makomba makuru.Iyo zvakare yakakodzera kune yakatsetseka anchoring, yekuchera patio uye makomba emhepo, nezvimwewo, uye inogona zvakare kushandiswa kune yepasi pevhu migodhi.Nekuda kwekuti muchina uyu hauna kuputika-basa, haufanirwe kushandiswa mumigodhi yepasi pevhu ine gasi.
Nguva yekutumira: Oct-12-2021