Mmiri mmanụ dizel na-adọba ụgbọala nke onwe ya na-ekpo ọkụ na-ekpo ọkụ engine ma na-ekesa na sekit mmiri nke ụgbọ ahụ site na mgbapụta mmanye mgbasa ozi, si otú a na-enweta nkwụsịtụ, ịnya ụgbọ ala dị mma, kpo oku ụlọ, na-ekpo ọkụ na engine na ibelata iyi na akwa.