機器
air
aircondition
airconditioner
airconditioning
background
blow
building
circle
climate
cold
compressor
condition
conditioner
conditioning
control
cool
coolant
cooling
detail
electrical
equipment
fan
frame
grille
high
hot
industrial
industry
light
machinery
metal
office
outside
path
pattern
power
rotate
round
switch
technology
temperature
unit
ventilate
ventilation
ventilator
wall
warm