Assertion: technician | /r/CapableOf | carry out maintenance checks
Facets:
value: on ventilation
type: TRANSITIVE-OBJECT
value: on heating
type: LOCATION
value: on air conditioning systems
type: LOCATION
Source sentences:
text: Technicians carry out maintenance checks on heating, ventilation, and air conditioning systems; clean evaporator drain pans, coils, and filters; lubricate fan and motor bearings; repair and change motors, electrical wiring, belts, compressors, thermostats, fans, floating elements, and defrost timers