Ski goggles yog cov khoom siv me me, thiab yog tias koj xav siv lawv rau ob peb xyoos ntxiv, koj yuav tsum siv thiab tswj lawv kom zoo. Sim tsis txhob kov daim iav saum npoo ntawm koj txhais tes, thiab ceev faj kom tsis txhob cia cov khoom ntse khawb ntawm daim iav (yuav tsum tsis txhob muab tso ua ke nrog cov xov tooj, cov yuam sij, thiab lwm yam kom tsis txhob khawb daim iav saum npoo). Nco ntsoov khaws daim iav saum npoo kom huv si thiab tsis muaj stains. Saib xyuas cov iav ua ntej thiab tom qab siv txhua zaus, thiab yog tias muaj plua plav, txhuam nws nrog cov ntaub lo lo ntxhuav lossis iav ntaub.
Thaum cov stains tshwm, koj tuaj yeem siv lub koob yees duab ntxuav daim ntawv thiab maj mam muab lub voj voog ncig cov stains kom txog thaum lawv raug tshem tawm. Yog tias tsim nyog siv cov tshuaj ntxuav dej, cov khoom nruab nrab yuav tsum tau xaiv. Tsis txhob ntub koj cov iav hauv dej los yog yaug nrog dej, vim qhov no yuav maj mam qhuav thiab ua kom yooj yim rau cov plua plav lossis tawm cov impurities tom qab dej evaporates.