英文關鍵字
automation
blue
board
chain
console
control
device
dirty
electric
electronic
engineer
engineering
equipment
factory
fast
filter
green
indicator
industrial
industry
instrument
job
light
machine
machinery
machining
manufacturing
mechanic
mechanism
metal
metallic
metalworks
motor
move
old
panels
parts
powertool
production
scale
sign
strength
switch
system
technical
technology
toning
tool
work
yellow