1. Engtik lai pawha tire pressure enfiah thin hi tih thin ang che .
Air pressure hi tire-tire pressure dam rei theihna tur kawng pawimawh ber a ni a, air pressure pangngai 20% aia tam a ni fo thin a, tire life chu 10% in a tlahniam ang Air pressure pangngai 30% aia hniam a nih fo chuan tire life chu 52% in a tlahniam ang.
2. Air pressure chu a inmil tur a ni .
Tire pressure hi tire nunna a ni. Pressure a hniam lutuk chuan ruang chu a deform ang a, sidewall-ah chuan crack a rawn lang ang. Chutih rual chuan khaw lum lutuk a thlen ang a, rubber aging, tire ply fatigue, leh cord breakage a tipung ang.
3. Tire-a taksa dang paih chhuah fo thin dan .
Kawngpuiah lirthei pakhat a tlan laiin lung thenkhat chu tire pattern-ah an hrual fo thin. Heng lung te te hi a hun taka lakchhuah a nih loh chuan hun kal zelah tire chu a puncture ang a, boruak a leak emaw, a puncture emaw a ni ang.
4. Driving habits hian scientific requirements a tlin .
Kawngpuiah curvature tam tak neia lirtheia i kal laiin, car centre of gravity-a deviation awm lohna tur leh tihtlem nan centre-a lirthei khalh tum la, tire sir khata load tihpun leh tire inbel rual loh tihtlem nan.
5. Hma lam leh hnunglam wheel te hian orientation dik tak an vawng reng thin .
Front wheel positioning hian tires service life-ah nghawng lian tak a nei a, front wheel-te ke ruh leh camber te hi a pawimawh ber a ni. Front wheels camber hian tire shoulders a ti chak ber a, chu chu partial wear a ni; Front wheels ke ruh hian a chhungril leh pawn lam tire te a ti chak ber a ni.