英文關鍵字
adult
angles
automated
automation
band
bandsaw
blade
business
circular
construction
craft
curled
cut
dust
engineer
equipment
factory
flame
handcraft
industrial
industry
iron
machine
machinery
manufacturing
mechanical
mechanics
metal
metallic
metalwork
metalworker
metalworking
piece
power
production
saw
shallow
sharp
shavings
spark
stainless
steel
technology
teeth
tool
trade
turning
worker
workshop