Iyi mashini irakoreshwa mumashanyarazi yikirahure yubushyuhe buke no gukonjesha.Amasomo yose yo gusiganwa ku magare arafunzwe, ikigega cyo kwaguka hamwe n’amazi yo gusiganwa ku magare ni adiabatic, ni uburyo bwo guhuza gusa.Nubwo ubushyuhe buri hejuru cyangwa buke, imashini irashobora guhindurwa muburyo bwo gukonjesha no gukonjesha niba iri munsi yubushyuhe bwo hejuru.