Kho txoj kev rau lub tsheb windshield zaj duab xis nrog khawb:
1. iav khawb kho tus neeg saib xyuas: maj mam infiltrate lub colloid raws cov iav tawg rau hauv cov kab nrib pleb, thiab koj yuav tsum ua siab ntev, txwv tsis pub qhov kev ua tau zoo yuav tshwm sim tsis sib xws, tshwj xeeb tshaj yog nyob rau hauv lub hnub, tab sis cov iav kho tus neeg saib xyuas tsuas yog tsim rau cov khawb me me xwb;
2. Kho los ntawm lub khw kho kev tshaj lij: Yog tias lub iav muaj qhov sib sib zog nqus khawb, nws raug nquahu kom xaiv lub khw kho kom zoo dua qub thiab muaj npe nrov rau kev kho;
3. Kev sib tsoo thiab tshem tawm: Cov khawb khawb khawb nrog cov chaw me me tuaj yeem raug tshem tawm los ntawm kev sib tsoo, tab sis cov khawb yog qhov zoo tshaj plaws tsis nyob rau hauv qhov pom ntawm tus tswv lub tsheb, vim tias cov iav poob thaum sib tsoo, thiab qhov chaw loj tuaj yeem cuam tshuam rau qhov pom. Rau kev nyab xeeb, nws raug nquahu kom tus tswv tsheb xaiv los hloov nws ncaj qha;
4. Cov tshuaj txhuam hniav kom tshem tawm cov khawb: siv cov tshuaj txhuam hniav me me rau qhov khawb, so nrog cov ntaub mos muag thiab yaug nrog dej. Cov tshuaj txhuam hniav tuaj yeem kho cov khawb me me thiab tiv thaiv xeb.