Bohareng ba moepolli oa Komatsu 850 ke letsoho la rock la kaiyuanzhichuang, phetoho ea 'nete ea papali karolong ea moepolli.
Matsoho a majoe a Kaiyuan, joalo ka letsoho le fapaneng, le loketse meepo e tsoang ka har'a theko ea rock, e joalo ka leqhubu la liqhomane, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shale Rock, Shalet joalo-joalo E na le liphello tse ntle, matla a thepa e phahameng, tekanyo e tlaase ea ho hlōleha, matla a phahameng a matla ha a bapisoa le lihamore tse pshatlang, le lerata le tlaase. Rock Arm ke khetho ea pele ea lisebelisoa ntle le maemo a ho phatloha.