機器
aerial
air
airborne
aircraft
aircraft carrier
airline
airplane
airport
armed
army
aviation
black
business
cargo
civil
combat
commercial
copter
drawing
engine
fighter
flight
fly
helicopter
icon
industry
isolated
jet
landing
military
missile
outline
pilot
plane
propeller
rescue
rotor
set
shape
silhouette
sky
technology
toy
transportation
travel
trip
view
war
wind