Gushiraho kashe ni ibikoresho bidasanzwe bitunganya ibikoresho (ibyuma cyangwa bitari ibyuma) mubice (cyangwa ibicuruzwa byarangije igice) mugutunganya kashe ikonje.Byitwa gukonjesha gukonje bipfa gupfa (bakunze kwita kashe ikonje bipfa).TTM kabuhariwe mu mpapuro zerekana kashe zipfa no gushushanya, zirimo Iterambere ripfa, kwimura bipfa no gupfa.Dufite uburambe bukomeye bwo gukora bwo gushiraho kashe no gupfa, dukorera imishinga myinshi izwi nka BWM PASSDA 2020, Isuzu-CCB- RG06 2020, Isuzu-CCB- RG06 2021, GM-A100 2021, ect.