機器
air
appliance
cable
chiller
circuit
cold
commercial
compressor
condenser
condition
conditioner
conditioning
control
cool
cooler
cooling
danger
electric
electrical
electricity
energy
engineering
equipment
fan
heat
hvac
industrial
industry
machinery
maintenance
mechanical
metal
panel
pipe
plant
power
pump
refrigeration
room
steel
system
technology
temperature
turbine
unit
vent
ventilation
ventilator