機器
accuracy
background
build
circle
closeup
construct
device
engine
engineer
engineering
equipment
factory
fire
grind
grinding
heavy
industrial
industry
machinery
machining
manufacture
manufacturing
mechanical
metal
metallic
motion
power
process
processing
produce
production
rotate
rotation
saw
sawing
spark
sparks
spin
spinning
stainless
steel
technology
tool
work
workshop