BOW2079, petrochemical, petrochemicals, petro-chemical, petro-chemicals, chemical plant, hydrocarbons, hydrocarbon, carbon fuel, separation, distillation, vessel, conversion, economy, efficiency, energy, feedstock, gas, industry, industrial, natural resource, natural resources, petroleum by-products, pipe, pipes, pipework, plant, unit, power, power supply, production, resources, infrastructure, steel, vessels, column, columns, cracker, crackers, chemical engineering, square, oil industry, environment, pollution, stainless steel, structure, refinery, refining, exploitation, China, Chinese, Daqing, Manchuria, winter, frozen, freezing, sub-zero, meeting, site meeting, engineer, engineers, construction, under construction, discussion, briefing, supervisors, management, managers, leaders, leadership, teamwork