Mndandanda wa zoponya, zitha kukhazikitsidwa m'magulu osiyanasiyana a mapaipi opitilira muyeso, kupitilira, kuchotsa kapena kutchinga chifukwa chazovala zakunja zogwirira ntchito zamagawo, komanso sing'anga yokha ndi mankhwala, zomwe zimabweretsa zosafunika. Makamaka oyenera kuwongolera zokha ndi dongosolo la SERVO. Ikhoza kuteteza kuyendetsa bwino kwambiri, zida zowongolera komanso zigawo zikuluzikulu chifukwa chodetsa ndi kuvala msanga kapena kupanikizana, komwe kumatha kuchepetsa kulephera, kukulitsa moyo wautumiki wa zida.