1. Chassis yagenewe imashini zipima imashini ziremereye, imashini icukura, nibindi.
2. Ibizingo byose bikozwe mubyuma bivanze, bikurikije ibisabwa, kandi nyuma yo kuzimya imiti, kurwanya kwambara neza, kuramba.
3. Ibizingo bine ni inteko nziza kugirango yizere ko umutwaro uremereye, ubuso bwiteranirizo byose biratunganywa, guhitamo ibikoresho bikurura kugirango byemeze ibirenze ibyo umukiriya asabwa.