Rau cov khoom siv hauv cov ntoo thiab cov ntaub ntawv luam tawm ntawm it.or txawm tias yuav ua rau cov neeg siv khoom .Ua luam ntawv UV yuav ua li ntawd rau koj.koj tuaj yeem luam txhua yam koj xav tau ntawm cov ntoo nrog cov nyhuv nyhuv, kev nplaum ruaj thiab pheej yig .it yog yooj yim rau kev khiav lag luam thiab tuav lub cav.feem, peb lub tshuab tsis tsuas luam tawm ntoo, tab sis kuj lwm yam ntaub ntawv xws li hlau, aluminium, iav , yas, acrylic, pobzeb, tawv, txawb xov tooj npog thiab lwm yam.
