{{0} kafin juya kan latsa UV, duba ko wutan lantarki al'ada ne, ko akwai wani wuri mai sako-sako, ana haɗa shi ko a'a {{{1}
2. Duba grating, idan akwai haske da ƙura a kan grating, saboda ba za a share ba don gano grating da farko ko laifi mara kyau {{1}
3. bincika fitilar ko na'urar ɗaukar hoto, yanayin matsayin hoto zai iya yin aiki yadda yakamata {{1}
