機器
air
air conditioning
background
building
climate
cold
compressor
conditioner
conditioning
control
cool
coolant
cooler
cooling
detail
electric
electrical
energy
environment
equipment
fan
heat
industrial
industry
machinery
mechanical
metal
motor
office
outside
pattern
power
propeller
rotate
rotor
system
technology
temperature
turbine
unit
ventilate
ventilation
ventilator
wall
white