機器
ac
air
appliance
background
blower
circle
climate
cold
commercial
compressor
condenser
condition
conditioner
conditioning
cool
cooler
cooling
electric
electrical
electricity
equipment
factory
fan
farm
freeze
freezer
heat
hvac
industrial
industry
machinery
metal
outdoor
outside
power
refrigerated
refrigeration
refrigerator
repair
storage
system
technology
temperature
unit
vent
ventilation
ventilator
warehouse