1.Ifomula yenhlanganisela ye-tread eyingqayizivele yehlisa ukugqokwa okungajwayelekile, andise isikhathi sempilo yesondo.
2. Idizayini yephethini ethuthukisiwe ihlinzeka ngokubamba kahle komhlabathi kanye nokumelana okuvelele kwe-skid okumanzi.
3. Ukukhipha ukushisa okungcono, ukusebenza kokushayela okuphephile.
I-4.Idizayini yobuhlalu besondo obuqiniswe kakhulu iqinisekisa umthamo ongcono wokulayisha emgwaqeni oxubile.