英文關鍵字
automated
automotive
busy
check
construction
conveyer
electric
electrical
electricity
energy
engine
engineering
equipment
fabricator
facilities
factory
generator
grinder
hoist
indoor
industrial
industry
iron
machine
manufacturing
mechanic
mechanical
metal
metallic
motor
occupation
production
productive
protection
pump
quality
reciprocating
robot
rotary
rotor
sanding
steel
technology
transfer
transformer
turbine
turbomachine
turn
unfinished
valve
volution
work
worker
workshop
workshops