Iimpawu zemveliso
(1)Ngaphaya kwezalathi zoMlinganiselo ezingama-30
(2) Vavanya ukuba ngaba umbala utsiba ukukhanya, kwaye unikeze malunga nemithombo yovavanyo yovavanyo engama-40
(3) Iqulethe imo yomlinganiselo we-SCI
(4) Iqulethe iUV yomlinganiselo wombala wefluorescent
