Njengesixhobo sefashoni, iiglasi zelanga azikwazi nje ukuvimba imisebe ye-ultraviolet ngokufanelekileyo, kodwa zikwaphucula intsingiselo yefashoni.Nangona kunjalo, abantu abaninzi banokungazi malunga nezinto zelensi zezibuko zelanga.Kwimarike, izixhobo eziqhelekileyo zelensi yelanga ziquka iilensi zeresin, iilensi zenayiloni kunye nePC lense...
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