1.Ku bikoresho binini, ibikoresho bigomba gushyirwaho, nk'indorerwamo, intebe ya kashe ya mashini, ikadiri yo kugabanya.
2. Iyo umubyimba wumubiri uhuza ari munini cyane kandi bolt ni ndende cyane, hazakoreshwa sitidiyo.
3. Irakoreshwa muguhuza amasahani manini hamwe n’ahantu bitoroha gukoresha amabuye ya mpande esheshatu, nk'ibiti byo hejuru by'igisenge, igisenge cyo kumanika igiti kimanika ibice bimanikwa.
1.Bika igihe cyo kwishyiriraho nigiciro.
2.Nta gucukura bisabwa kubikorwa byubatswe