Ngwọta Turnkey nke mmeghari mmanụ ejiri mee ihe

Mmanụ eji eme ihe, nke a na-akpọkwa mmanụ mmanụ, bụ igwe dị iche iche, ụgbọ ala, ụgbọ mmiri iji dochie mmanụ mmanụ, na usoro nke mmetọ nke mpụga na-emepụta ọnụ ọgụgụ dị ukwuu nke chịngọm, oxide ma si otú ahụ na-efunahụ ya. Isi ihe kpatara ya: Nke mbụ, mmanụ a na-eji eme ihe na-ejikọta ya na mmiri, uzuzu, mmanụ ndị ọzọ dị iche iche na ntụ ntụ nke ígwè ọrụ na-emepụta, na-ebute agba ojii na viscosity ka ukwuu. Nke abụọ, mmanụ ahụ na-akawanye njọ ka oge na-aga, na-emepụta organic acids, colloid na asphalt.