Leseli lena la Letlapa la UV le hlahisa UV-C (germicidal, 253.7 nm) ho
senya lik'hemik'hale le likokoana-hloko tse silafatsang.
E fokotsa kapa e felisa likokoana-hloko tse kang hlobo, livaerase, libaktheria, li-fungus le li-spores tse tsoang moeeng o ka hare oa matlo, liofisi le mehaho ea khoebo, ho netefatsa boleng bo phahameng ba moea oa ka tlung.
Hangata e sebelisetsoa ho hloekisa moea oa sepetlele, sekolo, hotele le ofisi joalo-joalo…