Job conditions require standing, walking, sitting, talking or hearing, making visual inspections, making precise hand and finger movements, lifting or carrying up to 50 lbs, climbing up to 200 ft, perceive color differences, required to wear personal protective equipment as needed and a respirator in emergency situations (beards are not permitted). 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.