英文關鍵字
automatic
band
bandsaw
bar
circular
cnc
cooks
cutting
engineering
equipment
factory
frame
hacksaw
heavy
industrial
iron
lathe
machine
machinery
manufacture
manufacturing
meta
metal
metalwork
molten
pipe
power
process
products
safety
saw
sawing
sparks
structures
tool
tooth
welder
welding
wood
work
works
workshop