Cov looj tsom iav dub: Cov looj tsom iav dub yog Ameslikas hu ua sunshades, tab sis ntxiv rau qhov ntxoov ntxoo, lawv kuj muaj lub luag haujlwm tseem ceeb, tiv thaiv UV! Yog li ntawd, tsis yog txhua lub tsom iav dub yog hu ua looj tsom iav dub. Thaum nrhiav kev zam, peb kuj yuav tsum xyuam xim rau qhov zoo ntawm cov iav. Txwv tsis pub, cov looj tsom iav dub tsis tsuas tuaj yeem ua lub luag haujlwm ntawm lub hnub ci, tab sis kuj tuaj yeem ua rau lub qhov muag puas. Yog li txawm tias koj siv looj tsom iav dub rau dab tsi, koj yuav tsum xub xaiv cov looj tsom iav dub tsim nyog thiab siv lawv kom raug.
Kev sau ntau ntawm kev nkag siab zoo hauv kev siv cov looj tsom iav dub:
1. Kev hnav looj tsom iav tsis zoo yog qhov ua rau mob qhov muag. Tsis txhob hnav looj tsom iav dub rau hnub huab cua thiab sab hauv tsev.
2. Kev hnav looj tsom iav dub thaum tsaus ntuj, yav tsaus ntuj, thiab saib TV yuav ua rau lub nra hnyav ntawm qhov muag, thiab nws ua rau qhov muag qaug zog, tsis pom kev, qhov muag tsis pom kev, kiv taub hau thiab kiv taub hau.
3. Cov neeg uas tsis pom kev zoo xws li cov me nyuam mos thiab cov me nyuam tsis haum rau hnav cov tsom iav.
4. Thaum qhov hnav ntawm cov looj tsom iav dub tau cuam tshuam qhov pom tseeb, hloov cov looj tsom iav hauv lub sijhawm.
5. Cov neeg uas muaj lub ntsej muag ci, cov neeg tsav tsheb, thiab lwm yam, raug pom zoo kom xaiv cov looj tsom iav dub polarized; thaum nyob hauv ib puag ncig glare, nws tsis tsim nyog xaiv cov looj tsom iav dub hloov xim.