機器
automation
chain
closeup
construction
control
craft
craftsmanship
cutter
cutting
details
dirty
drilling
engineering
equipment
factory
grinding
grunge
hardness
hardware
industrial
industry
iron
lathe
machineappliances
machinery
manufacturing
materials
mechanic
metal
metallic
mill
milling
old
plant
precision
precisionmachine
processing
production
retro
rotation
skill
stainless
stainlesssteel
structure
technology
turning
vintage
workbench
workshop