Ko te kaiwhakaputa pepa a UV, e kiia ana ko te kaiwhakaputa papaa o te ao, i pakaru mai i te btortleneck o te hangarau taapiri mamati, kia tutuki ai te hangarau taapiri noa.
I te tuatahi, ko te hoahoa me te hanga inkjet mo te papanga uaua, ka pakaru noa te hangarau waituhi ki te hangarau ngoikore, ko te hangarau waituhi te mea nui ki te mara o te whanautanga.
