機器
hanger
activities
aerospace
aircraft
airplane
airport
area
aviation
build
business
cargo
company
copy
copy space
day
empty
engine
engineering
factory
flare
hangar
hydraulic
illustration
industrial
industry
inspection
maintenance
manufacturing
mechanic
metal
mystery
no
object
one
plane
plant
production
safety
service
space
sun
tarmac
tarmack
technology
text
tool
transport
transportation
turbine