● Kapangidwe kake kolimba, kosavuta kukhazikitsa.
● Ring yamkati yotakata: imathandizira kutseka loko, yokhazikika bwino.
● Waya wapamwamba: mawaya awiri apamwamba okhala ndi Angle ya madigiri a 120 pa mphete yamkati kuti atsimikizire kumangirira kosavuta kwa kunyamula kumtengowo.
● mphete yosungira: pali imodzi mbali zonse ziwiri, idzatsekereza fumbi.
● Contact mphira chisindikizo: izo anaika mkati mwa mphete retainer mbali zonse kuti.