1. Major Exports : Coal, cereal, petroleum oil and products, meat, aluminium, wool. 2. It has become one of the largest petroleum oil producing communities in Nigeria. 3. The sustainability for petroleum oil and lubricants and ammo has been reduced significantly. 4. In 1933, a small Houdry unit processed of petroleum oil . 5. Wells have revealed the existence of petroleum oil of Lower Paleozoic age beneath Gotland. 6. Petroleum oil is very hard to clean up and is very toxic to living animals.7. Eggs can be killed by using petroleum oil concentrations. 8. He started work as the Labour Office at the Chauk Petroleum oil field in 1938. 9. The company will use it this month at a Saga Petroleum oil project offshore Norway, he said. 10. Many automobile manufacturers already are using soybean oil rather than petroleum oil to make interior car parts.