機器
function
abandoned
aged
clockwork
close
closeup
cog
cogwheel
corroded
corrosion
dark
design
detail
dirty
engine
engineer
engineering
gear
gears
gray
grunge
grungy
industrial
industry
iron
machinery
mechanic
mechanical
mechanics
mechanism
metal
object
old
part
rough
rust
rusty
stained
steel
structure
technology
transmission
transmition
up
wheel
work