Ibhakethi yomsebenzi ogqithisileyo iphuculwa ukusuka kwi-emele ye-excavator ye-rock enzima ngenxa yeyona meko imbi kakhulu yomsebenzi.Kwibhakethi yomsebenzi ogqithisileyo, ukunxiba izinto ezixhathisayo ayisondlela yokukhetha, kodwa kuyimfuneko kwezinye iindawo zebhakethi.Thelekisa i-emele ye-rock esebenza nzima, i-emele yomthwalo onzima ithatha i-shrouds esezantsi, izikhuseli zomlomo we-blade, ipleyiti enkulu nengqindilili eyomeleziweyo yecala, imicu yangaphakathi yokunxiba, imivalo edityanisiweyo kunye namaqhosha okunxiba ukomeleza umzimba kunye nokomeleza uxhathiso lwe-abrasive.