1. Masiki-matatu ekudzivirira masiki, anofema, akasununguka uye anoraswa
2. Sefa guruva nezvinosvibisa mumhepo, yepamusoro-soro guruva mask
3. Yakavakirwa-mumhino bhendi, yakadzvanywa muchimiro kudzikisa leakage rate
4. Yakanyanya kusununguka, nyore-kuvhura / kuvhara nzeve-hoko mask, hapana kumanikidza panzeve mbiri
5. Mask dhizaini, nyore kutakura uye kuchengeta
6. Inonyaradza uye inofema nzeve yebhandi
7. Imwe-nguva
8. Sangana neyakajairwa EN149 uye FDA masiki
9. CE advertising, FDA advertising mask