aluminum
アルミニウム
air
basement
building
cellar
circle
cold
conditioner
conditioning
construction
cool
cooling
curve
dirty
drains
dry
duct
ducts
electric
electricity
engineering
fan
funnel
gas
heat
heating
home
house
industrial
machinery
mechanical
metal
modern
part
pipe
power
pump
shiny
steel
structure
summer
supply
systems
temperature
traditional
turning
ventilation
work