英文關鍵字
accuracy
action
aerospace
automated
boring
building
burn
computer
cut
cutting
energy
engineering
engraving
equipment
factory
flat
health
heat
industrial
industry
iron
laser
light
line
lpg
machine
machinery
machining
manufacture
manufacturing
material
mechanical
metal
metalwork
modern
plasma
plate
precision
processing
production
sheet
shop
space
steel
technology
tool
welding
work