機器
automation
board
breaker
cabinet
center
circuit
connection
construction
control
current
danger
data
distribution
electric
electrical
electrician
electricity
energy
equipment
factory
high
industrial
industry
installation
manufacturing
meter
panel
plant
power
production
professional
room
safety
starter
substation
switch
switchgear
system
technical
technology
voltage
voltmeter
white
wire
work
worker