機器
administration
apparatus
automatic
background
black
board
button
cables
center
channel
command
console
control
control panel
desk
device
digital
display
electric
electrical
electronic
engineer
equipment
factory
fuse
green
indicator
industrial
industry
instrument
keyboard
machinery
manufacturing
motor
object
off
panel
power
pump
push
record
red
reset
safety
scale
stage
switch
technology
yellow