機器
air
aircraft
airlift
airplane
alpine
alpine rescue
alps
ambulance
aviation
chopper
coast
copter
danger
emergency
engine
environment
flight
fly
guard
helicopter
help
hover
italy
lifeguard
operation
patrol
pilot
power
propeller
rays
recovery
rescue
rescue helicopter
rescue workers
rescuer
rotor
safety
safety work
searching
skate
sky
snow
staff
transport
transportation
travel
vehicle
winch