機器
aeroplane
aerospace
air
aircraft
airplane
airport
assemble
aviation
check
civil
commercial
detail
engine
engineer
engineering
factory
flat
flight
front
garage
hangar
illustration
industrial
industry
isolated
jet
maintain
maintenance
mechanic
mechanical
motor
part
plane
private
propeller
repair
safety
service
technology
transport
transportation
turbine
vehicle
view
white
work
workshop