8 Intshi DTH Isando

1 Ithiyori yakamuva yesimanje yokumba idwala iyamukelwa ukuze idizayine usayizi wesakhiwo sangaphakathi se-dth hammer, ukuze isando se-dth sithole ukudluliswa kwamandla okuhle kakhulu, futhi umsebenzi womthelela owodwa mkhulu futhi isivinini sokumba amadwala siyashesha.
2 Idizayini eyingqayizivele ye-taper reducer inganciphisa ukumelana nokuphakamisa futhi inciphise kakhulu ukwehluleka kwesando se-dth lapho i-drill rig iphakanyiselwa phezulu uma kwenzeka udoti kanye nokugxumeka kobumba ngesikhathi sokumba.
3 Ukuze kuvinjwe ukungcoliswa kothuli emsebenzini wokumba, izingxenye eziyinhloko zomkhiqizo zisebenzisa inqubo ekhethekile yokwelapha ukushisa okulawulwa yikhompyutha ukuze kube lula ukwengezwa kwenani elincane lamanzi anomfutho ophezulu emoyeni ocindezelwe ukuze kubhojwe amadwala amanzi. vikela impilo yomsebenzisi.