機器
antique
automation
close up
closeup
corliss engine
cylinder
efficiency
engine
engineering
equipment
factory
gear
heavy machinery
historic
historical
horsepower
hydraulic
industrial
industrial revolution
industry
iron
ironworks
job
labor
line
loop
looping
machinery
mechanical
mechanism
metal
moving
nostalgia
oil
old
part
pipe
piston
plant
power
production
rods
running
shaft
steel
technology
tube
turning
valve
定額
Close up of steel pistons of an industrial machine. HDR. View inside of a modern technological plant of an industrial mechanism.の素材 [FY310176961232]
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