Nesimba rayo repamusoro simba, Kaiyuan rock arm yakaiswa paHitachi 1800 excavator inova nechokwadi chekuti hapana basa rakanyanya kuoma.
Rock Arm, seyakawanda-chinangwa chakagadziridzwa ruoko, inokodzera kumigodhi isina kuputika, yakadai semigodhi yemarasha yakavhurika, migodhi yealuminium, phosphate migodhi, migodhi yegoridhe yejecha, migodhi yequartz, etc. Inokodzerawo kucherwa kwedombo kwakasangana mukuvaka kwekutanga sekuvakwa kwemugwagwa uye kuchera kwepasi, senge, dombo rakaoma, dombo rakapfava, dombo rakapfava. mhedzisiro, kusimba kwemidziyo yakakwira, mwero wakaderera wekutadza, simba rakanyanya kana zvichienzaniswa nesando dzekupwanya, uye ruzha rwakaderera. Rock Arm ndiyo yekutanga sarudzo yemidziyo isina mamiriro ekuputika.
