Gushyiramo byoroshye cyane, shyiramo insinga unyuze mu ngirabuzimafatizo yateranijwe hanyuma ufunge igiti kugeza igihe insinga ifashe neza. Izi nsinga zagenewe kwihanganira amazi, umukungugu, umunyu, aside-base, alcool, amavuta n'ibindi bikoresho bisanzwe.
Guhindura ibintu birahari.