Simbi chivakwa chivakwa rudzi rutsva rwekuvaka, iyo inoumbwa neakasiyana simbi compenents.senge simbi mbiru uye danda, bracing system, cladding system, etc.Inogona kushandiswa zvakanyanya musimbi chimiro workshop, prefab hofisi chivakwa, bhiriji kuvaka, airport terminals zvichingodaro.