機器
automotive
background
business
carbide
chuck
closeup
cutter
cutting
detail
device
engine
equipment
factory
grinding
hand
handle
holding
hole
industrial
iron
lathe
machinery
manufacture
mechanical
metallic
metalworking
mill
oil
part
pipe
plant
power
precision
process
production
pump
repair
rotation
security
service
smoke
stainless
steel
technology
tool
turning
vehicle
work
workshop