Sitting up to two hours per day – 1-hour increments. Standing up to 6 hours per day - 1-hour increments. Walking up to 6 hours per day - 50-minute increments. Frequently uses fingers to manipulate small objects, equipment. Continuous handling of equipment, documentation of records. Frequent twisting/turning of hands while changing equipment. Occasional twisting/turning of body. Frequent lifting of objects up to 50 pounds. Occasional carrying of objects up to 50 pounds. Occasional carrying of objects up to 50 pounds. Frequent pushing and pulling of equipment up to 150 pounds. Occasional stooping, bending, and crouching. Rarely requires squatting, kneeling, crawling, or climbing. Occasional reaching above shoulder level. Ability to feel temperature and other attributes of objects through touch. Seeing as it related to general, near, far, and peripheral vision, and depth perception. Hearing as it relates to normal, high and low frequencies.