機器
air
business
climate
combustion
compressor
conditioner
conditioning
cool
cooler
cooling
electric
electricity
energetic
energy
engine
engineering
equipment
factory
fan
heat
hvac
industrial
industry
intake
large
machinery
maintenance
mechanical
metal
motor
part
pipe
power
refrigeration
repair
service
steel
strong
technician
technology
temperature
turbine
unit
vent
ventilating
ventilation
ventilator
wind