機器
aerodynamic
aid
air
aircraft
airfoil
airport
ambulance
aviation
blade
canopy
chopper
coastguard
design
emergency
engine
flight
fly
flyingambulance
fuselage
helicopter
help
hover
lift
medic
medical
paramedic
parked
pilot
plane
rescue
rescuer
rotate
rotating
rotor
searchandrescue
shape
sky
sos
technology
transport
transportation
travel
wing