Izinto ezinamathelayo ezingenamthunzi nazo zaziwa ngokuthi yizinto ezinamathelayo ze-UV, izinto zokunamathisela izithombe, kanye nezinamatheliso ezilaphekayo ze-UV.Izinamatheliso ezingenamthunzi zibhekisela ekilasini lezinamatheliso okufanele zikhanyiswe ukukhanya kwe-ultraviolet ukuze zelashwe.Angasetshenziswa njengezinto zokunamathisela, kanye nokunamathelisa opende, okokunamathela, noyinki.U...
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