Kaya ndi UV-A, UV-B, UV-C, ndi magulu ena, kapena UV-V yokhala ndi kutalika kwa 390nm, akadali ndi mphamvu zamatsenga zosawerengeka kuti ziwululidwe.Ndi chitukuko chaukadaulo, ntchito zogwiritsira ntchito zizisinthidwa ndikusinthidwa mosalekeza.Chilimwe chikafika,...
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