Kubikorwa byo hanze no mumazu ahantu hatose kandi huzuye, guhuza ibice byerekana ibimenyetso no kugenzura inganda, muri gari ya moshi, mubimenyetso byumuhanda, mumashanyarazi na sitasiyo.Bishyirwa mu kirere, mu miyoboro, mu mwobo, mu byuma bifasha ibyuma cyangwa mu butaka, iyo birinze neza.