Ubucucike bwo gusiga irangi nigikoresho cyingenzi mubikorwa byo gushushanya inganda, cyane cyane aho byoroshye kandi birangiza ari byingenzi. Izi mpinduro zakozwe hamwe na foam yuzuye cyangwa ibikoresho byimyenda, ibemerera gufata irangi ryinshi no kuyitanga cyane hejuru ugereranije nubusanzwe. Iyi mikorere idasanzwe ntabwo iteza imbere inzira ya porogaramu gusa ahubwo igabanya t