Nkọwa
Nkà na ụzụ
EGO
Anwalela akara Diewear onye na-eme ihe ma nwee njirimara ndị a:
Na-ebelata iyi na dọba na usoro ịkpụ ọgwụ ọkụ, si otú ahụ sikwuo ike ndụ injin;
Chebe tables mmanụ na pipeline site na corrosion;
Anaghị emetụta ịdị ọcha na-ehicha . Melite mmanu nke mmanụ diesel;
Ihe nchịkọta dị ọkụ: Ngwakọta kemịkalụ maka mmanụ diesel, China, ndị na-emepụta ihe, ọnụahịa, nkọwapụta, nlele efu

