11 00 00 Equipment
11 01 00 Operation and Maintenance of Equipment
11 01 10Operation and Maintenance of Vehicle and Pedestrian Equipment11 01 20Operation and Maintenance of Commercial Equipment11 01 30Operation and Maintenance of Residential Equipment11 01 40Operation and Maintenance of Foodservice Equipment11 01 50Operation and Maintenance of Educational and Scientific Equipment11 01 56Operation and Maintenance of Observatory Equipment11 01 60Operation and Maintenance of Entertainment and Recreation Equipment11 01 70Operation and Maintenance of Healthcare Equipment11 01 80Operation and Maintenance of Facility Maintenance and Operation Equipment11 01 90Operation and Maintenance of Other Equipment