Job conditions require standing, walking, sitting, twisting, stooping, couching, kneeling, working in confined spaces, talking or hearing, making visual inspections, making precise hand and finger movements, reaching or grasping, lifting and/or carrying up to 50lbs, pushing and/or pulling up to 50lbs, climbing up to 200ft, perceiving color differences, ability to wear personal protective equipment (beards not permitted), and strenuous physical activity. HF Sinclair owns and operates refineries located in Kansas, Oklahoma, New Mexico, Wyoming, Washington and Utah and markets its refined products principally in the Southwest U.S., the Rocky Mountains extending into the Pacific Northwest and in other neighboring Plains states.