Icyerekezo cya MOS: Ibara ry'oxyde y'icyuma ryo ku rwego rw'ibikoresho by'ubwiza, rikoreshwa mu makarito karemano, isabune n'ibikoresho byo kwita ku ruhu. Rirangira ridakayangana, rihamye cyane ku mirasire ya ultraviolet kandi ibara ntirivamo. Ryemewe ku bikorwa byose by'ubwiza, harimo ahegereye amaso n'iminwa.