英文關鍵字
accuracy
automated
automation
body
boring
business
cnc
construction
cut
cutter
cutting
detail
engine
engineering
enterprise
equipment
factory
gas
hardhat
heavy
illustration
industrial
industry
iron
lathe
line
machine
machinery
manufacture
manufacturing
mechanical
metal
metalwork
metalworking
mill
milling
oil
people
pipe
plant
power
production
professional
protection
safety
spark
steel
technology
tool
welding
work
worker
working
workshop