Ibiranga:
Birakwiye gutunganya uduce duke twudodo twibice byerekana ibimenyetso, ibisobanuro byinshi byurugero hamwe na moderi, kandi birashobora no gutunganya insanganyamatsiko zabanyamerika.
Amenyo yinzoka imwe afite ubushobozi buke bwo gutunganya, gukomera kwisi yose, no gukoresha uburyo bworoshye Guhunga birakwiriye cyane cyane kubikorwa byakazi hamwe nubwoko bugoye bwibyobo byimbitse.
Ibyiza:
Gukora neza cyane gusya kuruhande, gutunganya imbaraga, kwambara munsi ya 1/2 ugereranije nibicuruzwa byandi masosiyete.
Icyuma cyoroshye kuruhande ni cyiza, gusya kuruhande ubuzima bubi ni birebire, birashobora kugera kurwego rwa Koreya yepfo, Tayiwani, Ubuyapani.
Uburayi na Amerika, ibikoresho byo mu rwego rwo hejuru.