英文關鍵字
automated
automation
blasting
blaze
business
cnc
cutter
danger
design
engineering
engraving
equipment
factory
fire
heavy
industrial
industry
instrument
iron
laser
line
machine
machinery
machining
manufacture
manufacturing
mechanical
metal
metalwork
metalworking
modern
plant
plasma
plates
power
precision
processing
production
sheet
sheets
splash
steel
surface
tech
technology
tool
treatment
welding
work
working
workshop