英文關鍵字
metal
machine
bending
guillotine
hydraulic
technician
operator
working
steel
tool
industry
equipment
factory
industrial
sheet
instrument
press
worker
workshop
production
manufacturing
technology
operation
machining
man
processing
iron
engineering
control
laborer
modern
punch
cut
safety
work
part
folding
repairman
engineer
machinery
plant
professional
plate
cnc
automated
cutting
fabrication
process
angle
manufacture