1. 100% ibikoresho bishya bya reberi umutwe winyundo, hamwe namavuta yo kurwanya ingese kumutwe winyundo.
2. Igikoresho gikomeye cyibiti bitandukanye, hamwe na 1/3 cyanyuma gisize umutuku.
3.Kanda ikirango cyamabara kumurongo hanyuma upfundike umutwe winyundo numufuka wa plastiki.
Kwishyiriraho igorofa, neza kandi byihuse. Ubuso bwinyundo buroroshye, bushobora gukubitwa cyane bitangiza ibiti.
Gushiraho tile yububiko, byoroshye kandi byihuse. Irashobora gushiraho amabati yububiko bwibisobanuro bitandukanye hamwe nubushobozi buhanitse, umuvuduko wihuse kandi nta byangiritse.
1. Isano iri hagati yumutwe winyundo nigitoki igomba kuba ikomeye. Umutwe n'inyundo irekuye, hamwe no gucamo ibice cyangwa gucamo, ntibigomba gukoreshwa.
2. Kugirango ugire elastique runaka mugihe ukubise, hagati yumukingo hafi yo hejuru ugomba kuba muto cyane kuruta impera.