stand or walk 2 - 4 hours at one time, up to 6 -8 hours per day; sit for less than 2 hours during an 8 hour day, except a technician may sit for up to 6 hours during an 8 hour day when operating a production console; lift or carry up to 70 pounds occasionally (less than 33% of the workday); lift or carry up to 25 pounds frequently (34 - 66% of the workday); lift up to 70 pounds to waist height and up to 25 pounds in a range of motions from floor to overhead; frequently use hands for simple grasping, fine manipulation, pushing or pulling (34 - 66% of the workday); occasionally push or pull with forces up to 100 pounds, squat, reach overhead, kneel, knee stand, lie down, crawl, or lift overhead (less than 33% of the work day); frequently push or pull with forces up to 50 pounds, bend, climb ladders or stairs (34 - 66% of the work day); work in a variety of temperatures and environmental conditions, including hot or humid attic spaces; possess ability to work at heights, full range of body motions and physical agility, and ability to maintain balance. Performing Arts Services, a division of Campus Support Services, provides a broad range of event, performance, and venue support services for the Princeton University community including front of house, guest services, ticketing, logistics, venue management, and production support.