Nkebi ahịrịokwu 1: The fluid catalytic cracking bụ isi akakabarede unit, na a elu ikike nke. Nkebi ahịrịokwu 2: Catalytic mmiri mmiri cracking bụ isi akakabarede unit na a aha ike nke. Ajụjụ: Ọ̀ bụ otu ihe ka ahịrịokwu nke mbụ na nke abụọ pụtara? Ee ma ọ bụ Ee e?
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