英文關鍵字
automated
automatic
bending
brake
cutting
engineer
engineering
equipment
fabricate
fabrication
factory
finished
forming
hydraulic
industrial
industry
instrument
job
laborer
machine
machining
man
manual
manufacture
manufacturing
metal
metalwork
metalworking
operation
operator
plant
press
process
processing
product
production
punching
safety
sheet
steel
taking
technician
technology
work
worker
working
workplace
workshop