機器
aircraft
airfield
airline
airliner
airplane
airport
arrival
aviation
business
cargo
caucasian
checking
checklist
cockpit
crew
departure
engine
engineer
european
flight
gear
ground
handling
industry
jet
job
maintenance
man
mechanic
parking
people
person
plane
power
preparation
repair
runway
safety
security
service
staff
support
technology
transport
transportation
turbine
wing
work
worker