Izimbangela
Ama-nevi angenayo ingozi akheka lapho amaseli anombala esikhumbeni ekhula ngamabhulokhi amancane esikhundleni sokusabalala ngokulinganayo. Izakhi zofuzo, ilanga nokuchayeka ku-UV, kanye nezinguquko zamahomoni konke kudlala indima ekutheni unamabala amangaki nokuthi abukeka kanjani. Ngezinye izikhathi ukulimala, imisebe, noma izifo ezithile kungase futhi kubangele izimila ezintsha noma izinguquko kwezikhona.
