機器
air
appliance
background
chill
climate
cold
condition
conditioner
conditioning
construction
cook
cooking
cool
cooler
cooling
design
electric
electricity
energy
equipment
factory
fan
gray
grille
heat
hot
illustration
industrial
industry
isolated
kitchen
light
metal
modern
object
office
one
power
single
steel
supply
technology
temperature
wall
warm
white
work