A oʻo mai i tau faʻatinoga, o le Liugong 952 excavator faʻapipiʻiina ma Kaiyuan papa lima e matua sili atu nai lo faʻamoemoega.
Kaiyuan Rock Arm, e pei o le tele-faamoemoega suia lima, e talafeagai mo le mining e aunoa ma le sasaina, e pei o matala malala maina, alumini mines, phosphate mines, oneone auro mines, quartz mines, ma isi E talafeagai foi mo le eliina papa e fetaiai i le fausaga faavae e pei o le fausiaina o auala ma le eleele eli, e pei o le omea malo, weathered maa, shale, maa vaivai, maa vaivai ma isi mea lelei. fua, maualuga le malosi fa'atusatusa i le gau o samala, ma le pisapisao maualalo. Rock Arm o le filifiliga muamua lea mo meafaigaluega e aunoa ma ni tulaga faʻafefe.
