機器
background
bolt
chrome
closeup
cnc
component
construction
conveyor
cut
dark
detail
drill
engineer
engineering
enterprise
equipment
group
heavy
hexagon
industrial
industry
lathe
machining
man
manual labor
mask
material
mechanic
metal
metallic
metalworking
new
old
part
plant
practice
precision
production
products
screw
stainless steel
technology
tool
turner
turning
work
worker
workshop