機器
automatic
automation
board
button
buttons
closeup
command
control
device
digital
display
electrical
electrician
electricity
electronic
energy
engineer
equipment
factory
hand
indicat
industrial
industry
instrument
light
machinery
manufacturing
metal
off
offshore
operation
panel
panels
plant
power
push
room
safety
scale
ship
station
supply
switch
switchgear
system
technical
technology
touch
voltage