機器
abandon
abandoned
abstract
aged
ancient
antique
background
construction
dark
decayed
derelict
detail
dirty
disused
disused factory
employment
factory
gear
great
gridiron
grunge
historical
idled
industrial
industry
inside
iron
lock
metal
metallic
nostalgia
nostalgic
old industrial plant
outdoors
pipeline
retro
roof
rust
rusteaten
rusted
shutoff valve
steel
structure
unemployment
vacant
valve
vintage
wall