Ma sterilizer a mpweya wa UV nthawi zambiri amagwiritsa ntchito nyali ya UV-C, yomwe imatulutsa kuwala kwakutali komwe kumatha kuwononga chibadwa cha tizilombo tating'onoting'ono, kuwapangitsa kulephera kuberekana ndikuyambitsa matenda kapena zovuta zina.