Zida monga ocheka malasha, apamutu, zothandizira ma hydraulic, ma hydraulic props amodzi, ophwanyira, ma conveyor lamba, scraper conveyors, malo opopera ma hydraulic, zobowolera malasha, pneumatic kubowola, masiwichi osaphulika, thiransifoma, ndi mafani akumaloko, mwa ena, ali ndi udindo wopeza chiphaso cha chitetezo cha malasha kuti chigwiritsidwe ntchito m'migodi ya malasha.
M'malo apansi panthaka, ndikofunikira kuwerengera zachitetezo kuphatikiza kuchedwa kwamoto, chitetezo kuphulika, ndi kukana kutentha kwapamwamba kuonetsetsa chitetezo chokwanira.