Ikoreshwa rya Mask yo mu maso Ibyiza: ibice 3 byo kuyungurura, nta mpumuro nziza, ibikoresho birwanya allergique, guhumeka neza.
Ikirangantego cyo mu maso 3 gishobora gukoreshwa neza birinda guhumeka umukungugu, amabyi, umusatsi, ibicurane, mikorobe, nibindi .. Birakwiriye koza buri munsi, abantu ba allergique, abakozi ba serivisi (ubuvuzi, amenyo, ubuforomo, ibiryo, ivuriro, ubwiza, imisumari, amatungo, n'ibindi), kimwe n'abarwayi bakeneye kurinda ubuhumekero.