Gukoreshwa mukwerekana niba ingingo zipakiye cyangwa kontineri yarahagaritswe.Ibipimo ngenderwaho bizahinduka muburyo butandukanye bwamabara mugihe byakorewe uburyo bwo kuboneza urubyaro, birashobora kwerekana inzira yo kuboneza urubyaro, gucira urubanza ingaruka zo kuboneza urubyaro.