"Ma ala ahịa nwekwara ike ike ohere, ebe ọ bụ na mmanụ na gas bụ feedstock maka chemical mmepụta na na-eji ike na ihe owuwu na manufactures na feedstock. "
"Ma ala ahia nwekwara ike ike ohere, ebe o bu na mmanu na gas bu feedstock maka chemical mmeputa na na-eji ike na ihe owuwu na manufactures na feedstock. "