機器
aerodynamics
aeroplane
aerospace
air
aircraft
airline
airliner
airplane
airscrew
aviation
blade
close
closeup
detail
energy
engine
engineering
equipment
fan
horsepower
industry
intake
jet
jetliner
journey
landing
luxury
metal
metallic
modern
motor
part
plane
power
private
propeller
propulsion
rotor
speed
steel
technology
tourism
transport
transportation
travel
turbine
turbo
up
wing