Kwambara ibyuma birwanya ibyuma byerekana ibicuruzwa bidasanzwe bigenewe gukoreshwa mugihe kinini cyo kwambara.Ibyuma bikoreshwa cyane bidashobora kwangirika ni plaque yibicuruzwa bikozwe mubyuma bisanzwe bya karuboni nkeya cyangwa ibyuma bito bito hamwe nubukomezi bwiza hamwe na plastike ukoresheje gusudira hamwe nubugari runaka bwurwego rwimyenda idashobora kwihanganira gukomera hamwe no kwihanganira kwambara neza.Byongeye kandi, hari ibyuma bidashobora kwangirika byuma hamwe nibyuma bizimya ibyuma bidashobora kwangirika.
