英文關鍵字
automation
business
button
cabinet
control
conveyor
dirty
display
electrical
electricity
electronic
energy
equipment
factory
flash
hand
heavy
industrial
industry
instrument
iron
jaw
keyboard
lead
led
light
machine
machinery
man
manufacturing
metal
metalwork
old
panel
plant
power
press
production
robot
safety
screen
steel
stop
switch
system
tool
vintage
voltage
white
work