Assertion: pilot's duty | /r/HasProperty | repairing
Facets:
value: in preparation for flight operations
type: TEMPORAL
Source sentences:
text: The duties performed by airman apprentices include repairing, maintaining and stowing aircraft and associated equipment in preparation for flight operations, working with qualified personnel to gain job training and experience and performing ground and deck duties involved in the take-off and landing of aircraft.
text: Duties aboard the station include spacewalks, repair work, medical research, scientific experiments and docking with arriving spacecraft.