And the machinery needed to lay gravel and dirt and concrete is petroleum driven machinery.
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Industrial activity is predominantly in food processing, chemicals, petroleum refining, and electrical machinery.
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As a second-generation oilman, Zhang began working in 1990 for the First Machinery Factory of Huabei Petroleum Administration Bureau, a state oil subsidiary.
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Apparel and petroleum and coal products reported the strongest growth in the survey, followed by equipment and machinery.
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