機器
alternate
backup
battery
center
compression
control
current
dangerous
data
diesel
duty
electric
electrical
electricity
emergency
energy
engine
engineering
equipment
exchanger
factory
filter
fuel
gas
generation
generator
green
hall
heat
heavy
high
industrial
industry
interior
machinery
mechanical
motor
oil
plant
power
room
standby
steel
supply
technology
turbine
turbo
voltage
yellow