機器
automation
box
breaker
business
cabinet
circuit
component
connect
connection
construction
control
current
danger
distribution
electric
electrical
electrician
electricity
electronic
energy
engineer
engineering
equipment
factory
high
industrial
industry
installation
maintenance
manufacturing
medium
metal
network
panel
plant
power
production
safety
site
substation
supply
switch
system
technical
technology
volt
voltage
wall
wire