Kubowola kwa rock kopangidwa ndi manja atatu kopangidwa ndi makompyuta kopangidwa ndi kampani yathu kuli ndi ubwino wochepetsa kulimbikira kwa ogwira ntchito, kukonza malo ogwirira ntchito, kukonza bwino ntchito yomanga, komanso kuchepetsa kudalira kwa ogwira ntchito. Ndiwopambana pantchito yomanga ngalande zamakina. Ndi yoyenera kukumba ndi kumanga tunnel ndi ngalande m'misewu ikuluikulu, njanji, malo osungira madzi ndi malo opangira magetsi opangira magetsi. Imatha kungomaliza kuyikika, kubowola, mayankho, ndikusintha magwiridwe antchito a mabowo oboola, mabowo a bawuti, ndi mabowo oboola. Itha kugwiritsidwanso ntchito pakulipiritsa ndi kukhazikitsa ntchito zokwera kwambiri monga kupaka ma bolting, grouting, ndikuyika ma ducts a mpweya.