Izinduku zethu zokubhola zezimayini zekhwalithi ephezulu ziyizesekeli zobungcweti ezihambisana nama-drill edwala asebenzisa umoya kanye nama-drill edwala e-jackleg okumba ngaphansi komhlaba kanye nokumba imisele. Njengoba zisebenzisa izinto zensimbi ye-alloy enamandla aphezulu, lezi zinduku zokubhola zibonisa ukuqina okuhle kakhulu, ukumelana nokuguguleka kanye nokusebenza kokulwa nokukhathala, zimelana ngempumelelo nomthelela onamandla kanye nokungqubuzana ezimweni zokubhola ngamatshe aqinile. Sisekela ubude bezinduku zokubhola ezenziwe ngokwezifiso ukuze sihlangabezane nezidingo ezahlukene zokwakha nokusebenza kwemigodi ngokujula okuhlukene kokusebenza kanye nezimo zesayithi. Umshini wokulungisa kahle uqinisekisa ukuhambisana okuphelele namamodeli ahlukahlukene okubhola amatshe, ukuletha ukusebenza kahle kokubhola okuzinzile kanye nokuphila isikhathi eside kwenkonzo. Njengoba zithembekile futhi zingabizi, izinduku zethu zokubhola eziqinile zingamathuluzi afanele okusekela amaphrojekthi okumba emigodini yomhlaba wonke, emayini kanye nengqalasizinda.
Induku Yokubhoboza
