Jobs in an oil refinery involve moving and processing materials, as well as managing the daily operations. Your responsibilities in an oil refinery may include operating equipment to transport large amounts of crude oil, controlling the oil pressure, monitoring for other problems, and generally working to create useful raw materials for petroleum products. Other duties may include conducting visual inspections of equipment, communicating with team members, performing scheduled maintenance, ensuring a clean work area, adjusting machines, and complying with safety and environmental procedures. Many refinery jobs have a narrow focus. For example, refinery loaders almost exclusively handle unloading materials from trucks and railcars.