英文關鍵字
production
old
tool
workshop
metal
machine
lathe
vintage
close
plant
view
mature
control
detail
worker
iron
rod
technology
process
engineering
factory
equipment
industrial
steel
industry
machinery
metalwork
precision
cutter
manufacturing
rusty
rotation
accuracy
pulley
chips
work
strap
power
chuck
closeup
feed
burning
metalworking
mechanical
shaft
wheel
spin