Kedu ihe nkedo dị n’oge nnwale ahụ? Enwere mkpọchi ejiri aka, mkpọchi urukurubụba na mkpọchi ejiri mee ihe n’ụlọ nyocha. Ogwe ígwè eji arụ ọrụ titration na -abụkarị mgbachi urukurubụba. A na -ejikọ otu ihe nkedo na -ejikọ eriri ahụ na ụlọ nyocha, a na -ejikwa mgbatị ahụ iji dozie otu mgbatị ahụ na nkwụnye ígwè.