Ihe mejuputara ihe eji ebu ihe mejuputara shei rola, aro, akara, olu akwa, o-mgbanaka, iberi mgbochi, ọla nchara.Ọ dabara na ụdị pụrụ iche nke ụdị crawler excavators na bulldozers sitere na 0.8T ruo 100T.A na-etinye ya n'ọtụtụ ebe na bulldozers na ndị na-egwupụta ihe nke Komatsu, Hitachi, Caterpillar, Kobelco, Sumitomo, Shantui wdg, ọrụ nke rollers n'elu bụ iburu njikọ egwu ahụ elu, mee ka ihe ụfọdụ jikọtara ya, ma mee ka igwe ahụ rụọ ọrụ ngwa ngwa na ọzọ nwayọọ nwayọọ, anyị na ngwaahịa na-eji pụrụ iche ígwè na-emepụta ọhụrụ usoro, ọ bụla usoro na-aga site nlezianya nnyocha na ihe onwunwe nke compressive iguzogide na erughị ala na-eguzogide nwere ike hụ.