機器
abstract
aeroplane
aerospace
air
aircraft
aircraft turbojet
airliner
airplane
airport
alloy
aviation
backgrounds
broken
cable
commercial
complex
complexity
component
concepts
contemporary
design
detail
dirty
electric
electrical
electronics
energy
engine
engineer
engineering
equipment
fighter
flight
fuel
gear
generation
hangar
horsepower
hydraulic
industrial
industry
inside
iron
jet
machinery
macro
maintenance
mechanic
mechanical
metal
metallic
motor
motorblock
old
part
pattern
plane
power
propeller
repair
rotor
science
screw
steel
supply
technic
technology
transport
transportation
tube
turbine
turbine blades
turbo
turbofan
turbojet
vehicle
wire