ibicuruzwa

1. Ukurikije isura y’inyamaswa-umurwayi, hitamo ubunini bwa mask

2. Kuraho mask muri paki hanyuma urebe niba ubuziranenge bwa mask

3. Koresha umuhuza ufite ubunini bukwiye kugirango uhuze A numuyoboro uhumeka cyangwa igikoresho cyo kuzura

4. Shira mask, agace B, kumurongo winyamanswa-umurwayi hanyuma ufate ukuboko cyangwa uhindure hamwe nibikoresho bikwiye, kugirango bikomere arikoumwanya mwiza. Ntugakande cyane kumutwe. Gukomera cyane birashobora gutera umuvuduko ukabije kuri mask, kubwibyo

ongera amahirwe yo guhumeka ikirere, kwangiza mask kandi ikiruta byose, kurakara bitameze neza mumaso yumurwayi

5. Nibiba ngombwa, shyira mask kugirango ubone umwuka muke

6.