Cov cim tshwj xeeb ntawm tus cwj pwm uas cov tshuab luam ntawv siv tau yog qhov txawv ntawm cov khoom siv tshuaj, tshwj xeeb tshaj yog txhawm rau kev txhim kho cov kev siv cov khoom siv thiab cov khoom muaj nqis, tiam sis tseem ua raws txoj cai thiab kev lag luam tsim tawm. Nrog txoj kev loj hlob ntawm ob peb lub xyoo dhau los, UV tshuab luam ntawv number case kev kawm tau dhau lawm, qhov zoo tau tshwm sim hauv peb yam nram qab no.
1: Muaj zog adhesion nrog huab cua ua haujlwm zoo. Qhov zoo ntawm kev muaj zog adhesion ua kom nruj nthuav dav ntawm daim luam ntawv, tab sis kuj txo cov txheej txheem luam tawm ntawm daim ntawv thov txheej, txo qhov tsis tseem ceeb tsim cov txheej txheem thiab cov nqi siv nyiaj. Cov huab cua tsis haum yog pom ntawm sab nraum zoov, yuav tsis poob los yog ploj raug kev txom nyem los ntawm cua thiab nag rau peb lub xyoos, qhov xim tseem tseeb thiab meej.
2: Ntsuab, tsis-qaug. Nws tsis yog tsuas yog siv rau kev noj qab haus huv ntawm tus neeg teb xov tooj, tab sis kuj rau cov khoom luam tawm thiab cov khoom ua tsis muaj pungent, plhom siv rau hauv cov zaub mov ntim ntawv luam tawm. Nyob rau hauv xyoo tas los, ntau domestic manufacturers feem ntau xa mus rau lub teb chaws EU los nthuav cov neeg siv khoom ua lag luam.
3: Nws yuav qhuav rau ib zaug, tsis tas yuav ci qhuav. Cov tsoos khov no tsuas tsis kim, tab sis kuj nruj nruj rau qhov chaw ib puag ncig, feem ntau xav tau kev cob qhia cov plua plav, thiab ua rau cov khoom seem ntawm cov khoom seem siab. Tus khaub rhais UV tshiab yog ua kom qhuav los ntawm UV teeb, txo kev sib txuas.
