Imirongo ngenderwaho itanga umurongo ugaruka mukuzenguruka ibintu bizunguruka hagati ya gari ya moshi yanditse hamwe na bisi. Coefficient de friction kumurongo ugana ni 1/50 gusa ugereranije na slide gakondo kandi barashobora gutwara imitwaro mubyerekezo byose. Hamwe nibi bice, umurongo uyobora umurongo urashobora kugera kubisobanuro bihanitse kandi byongeweho cyane kwimuka. KGG itanga umurongo uyobora umurongo, buri kimwe kirimo amahitamo atandukanye kubunini, ubushobozi bwo gupakira, ukuri, nibindi byinshi.