英文關鍵字
apparatus
automation
background
circulation
craft
cutting
device
drive
electric
electronic
engine
engineer
engineering
factory
fast
industrial
industry
job
light
machine
machineparts
machinery
machinetool
machining
manufacturing
metal
metalworks
motor
move
movement
old
plant
power
powertool
process
production
retro
rotation
speed
spindle
steel
strength
technical
technology
tool
turned
wheel
work
workshop
yellow