1 Tire pressure sang lutuk avanga nghawng a neih dan .
ani. Tire friction leh adhesion chu a tlahniam ang a, chu chuan braking effect a nghawng ang;
b. steering wheel vibration leh deviation a thlen a, hei hian lirthei khalh nuam a ti tlem a;
c. tire tread lai takah chuan pattern-a local wear chu ti chak la, tire nunna chu tisang rawh;
d. Taksa vibration chu a lian chho zel a, chu chuan indirect takin part dang nun a nghawng a;
e. Tire cord chu stretching leh deformation nasa lutuk a awm ang a, a ruang elasticity chu a tlahniam ang a, chu chuan driving laiin car-a load a tipung ang
f. leh rolling resistance tihtlem te a ni. Kawngpuiah nail leh glass ang chi thil hriam tak tak kan tawn hian tire chhungah lut a awlsam a, a tlakna hian a chhung lam a tikehsawm ang a, a puak darh ang a, chu chuan tire a ti puak ang.
2 Tire pressure hniam lutuk avanga nghawng a neih dan .
ani. Kawngpui chung lama friction coefficient chu a pung ang a, fuel consumption pawh a pung ang;
b. steering wheel chu a rit hle a, tlan chhuah awlsam leh thil dang tha lo tak tak, driving safety ang chi te a thlen a
c. Tire hmun tin a kal zat tihpun a, rolling tam lutuk chuan tire lumna pangngai lo a thlen a;
d. cord leh rubber hnathawh tihtlem a, delamination emaw, cord leh rim inkar a friction tam lutuk emaw, bead a tichhia a, a chhe lo
e. Tire leh lei inkar a inhnawh tawnna chu exponential-in a pung a, tire temperature a sang hle a, tire chu a nem a, a chakna pawh a tlahniam nasa hle bawk. Lirthei chu speed sang taka a tlan chuan puncture a thlen thei a;
f. Tire pressure hniam lutuk chuan ruang a deformation a tipung ang a, sidewalls te chu crack an nei awlsam ang a, flexing motion pawh a rualin a awm ang a, chu chuan heat generation nasa lutuk a thlen ang a, rubber aging, tire cord fatigue, cord breakage a tichak ang a, tire grounding area a tipung ang , accelerate shoulder wear a thlen bawk.