The CPV Term Repair and maintenance services has the following elements: 50500000-0: Repair and maintenance services for pumps, valves, taps and metal containers and machinery 50200000-7: Repair, maintenance and associated services related to aircraft, railways, roads and marine equipment 50700000-2: Repair and maintenance services of building installations 50300000-8: Repair, maintenance and associated services related to personal computers, office equipment, telecommunications and audio-visual equipment 50400000-9: Repair and maintenance services of medical and precision equipment 50600000-1: Repair and maintenance services of security and defence materials 50800000-3: Miscellaneous repair and maintenance services . The full list can be found here.