N'oge gara aga, obere mmanụ ọkụ na-emepụta ihe bụ ngwaahịa omenala nke ihe owuwu n'èzí, ihe omume ubi, ọkụ ọkụ mberede, mmanụ dizel, mmanụ ụgbọala ma ọ bụ gas dị ka mmanụ ụgbọala, site na ọsọ ọsọ nke engine na-emepụta ọkụ eletrik, wee pụta na-agbanwe agbanwe ugbu a na kpọmkwem. ugbu a site na rec...
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