Na-agwọ ọrịa

Ihe mkpuchi mkpuchi na-echekarị ọnọdụ ihicha siri ike na usoro ihicha ihe owuwu n'ezie, a na-ejikarị ihe ndị na-ehicha ihe eme ihe iji mee ka ọsọ ihicha dị ngwa na ike ihe nkiri nke mkpuchi na obere okpomọkụ. Ihe na-eme ka ahụ ike nke Kito kemịkalụ gụnyere organic amines, acid catalysts na metal salt catalysts. Àgwà ya bụ nchebe gburugburu ebe obibi, arụmọrụ catalytic dị elu, nke a na-ejikarị eme ihe n'ụdị achịcha dị iche iche na mkpuchi akụkụ abụọ.