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