機器
air
background
blow
boiler
climate
cold
compressor
conditioning
cool
cooling
detail
dirty
energy
engine
equipment
factory
grunge
hair conditioner
heating
historic
historical
industrial
industry
iron
kettle
machinery
mechanical
metal
old
pattern
pipelines
pipes
power
powerful
production
red
retro
rust
scrap
steam
steam engine
steampunk
steel
technology
turbine
unit
ventilation
vintage