機器
air
asphalt
bridge
compressed
compression
compressor
construction
device
diesel
engine
engineering
equipment
fence
fuel
generator
handheld
hook
industrial
industry
infrastructure
insert
machinery
mechanism
metal
mobile
motor
movable
object
parked
place
pneumatic
portable
power
pressure
pressurize
professional
project
road
route
safety
scene
site
structure
technology
tool
trailer
utility
wheel
yellow