Automation Machinery Manufacturing, Control systems, automatic, oil and gas industry, Oil and gas industry plant and equipment, Energy, Environment, Monitoring machinery and equipment for oil and gas extraction, Petroleum refinery plant and equipment, Control systems, automatic, chemical plant and petroleum refining, Monitoring and control systems, centralised, for oil and gas production fields, pipelines and distribution networks, Automation systems and servomechanisms for power stations, Handling and storage plant and equipment