1. Drive rang lutuk suh. Speed tam lutuk hian tire flexion a tisang ang a, a lum lutuk a, tire wear a ti chak ang a, service life a ti tawi ang.
2. Car hnathawh chhung hian rang taka tlan chak, braking rang tak leh steering rang tak, car ngei pawh mechanical performance tichhe thei, tire te nun tichhe thei tur chu pumpelh tum tur a ni. Acceleration chak tak, braking chak tak, leh steering rang tak ang chi driving pangngai lo i tih nawn fo chuan tyre te chu a chhe rang ang a, tire crown te chu a chhe lo ang a, longitudinal grooves a chhe ang a, tire chhung lam boruak lumna a sang ang a, puncture a awlsam ang.
3. Load capacity tarlan kha zawm la, overload suh. Tire pakhat service life hi a tam zawkah chuan load lian leh te a innghat a ni. Overload tam lutuk chuan 20% vel chu tire service life chu a life pangngai 50% ah a ti tawi ang. Overloading hian tire temperature leh air pressure a tisang bawk a, rubber leh cord-a hahna a tisang a, awlsam takin delamination a thlen thei bawk.
4. Kawngpuiah hian khur emaw, daltu emaw a awm loh tur a ni.
5. Road Cliff Stone-a vuak loh tur, park laiin kawngpui lungpui chungah chuang suh.