Dukomeje gusohoza umwuka wacu wo guhanga udushya uzana iterambere, ubuziranenge bugenda neza kandi bwinyungu, amateka yinguzanyo akurura isthmensis'ohi Rairo Nakafu ' Twakiriye abakiriya, amashyirahamwe yubucuruzi n'inshuti baturutse impande zose z'isi kugirango tundikire kandi dushake ubufatanye kugirango inyungu zibyungu. Ibicuruzwa bizatanga ku isi hose, nk'Uburayi, Amerika, Ositaraliya, Beninia, Grenada, Igiciro cyiza, igiciro cyiza, twishimira izina ryiza. Ibicuruzwa byoherezwa muri Amerika y'Epfo, Ositaraliya, mu majyepfo yuburasirazuba bwa Aziya nibindi. Mwiza neza abakiriya murugo no mumahanga kugirango bafatanye natwe kuba ejo hazaza heza.