英文關鍵字
automated
automatic
button
buttons
cabin
computer
control
craftsman
device
electrical
electrician
engineer
engineering
equipment
factory
functional
hand
heavy
industrial
industry
laborer
machine
machinery
maintenance
man
manufacture
manufacturing
mechanic
meter
operating
operator
pressing
professional
remote
rigging
service
serviceman
slowmo
switch
technician
technology
worker
working
workman