機器
function
additional
alternative
ambulance
auxiliary
backup
building
business
city
conservation
construction site
current
device
diesel
diesel generator
disaster
electric
electricity
emergency
energy
equipment
fuel
gasoline
generation
generator
generators
industrial
industry
mechanism
metal
mining
mobile
motor
office
plant
power accident
power tel
safety
security
shutdown
source
urban design
volt
voltage
wall