機器
air
air screw
black
circle
climate
cold
commercial
compressor
conditioner
cool
coolant
cooler
cooling
detail
device
economical
energy
equipment
fan
flow
heat
heater
home
house
industrial
isolated
modern
object
outdoor
part
propeller
pump
residential
round
saving
supply
system
technology
temperature
turbine
turning
unit
ventilator
white