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Gold valve and pipes mounted on a black metal surface
木葉

木葉

Close-up of engine components showing mechanical parts and piping
木葉

木葉

Detailed view of engine components and piping
木葉

木葉

Interior of a factory with gauges and valves
RYUURI

RYUURI

Detailed view of a steam locomotive engine part featuring black metal and golden piping
木葉

木葉

A section of wall featuring water pipes and valves with visible connection points
ookinate23

ookinate23

Two old valves and pipes are positioned side by side with grass around
hiro

hiro

Old industrial structures under a blue sky
hiro

hiro

Detailed view of locomotive machinery and piping
木葉

木葉

Rusty pipe with corroded yellow valve on industrial equipment
かさこ

かさこ

Detail of a steam locomotive's black hydraulic tank and piping
木葉

木葉

Close-up of an old machine showing metal components and pipes
eriko

eriko

Side view of a black tank with pipes and yellow warning label
木葉

木葉

Gray industrial bottles placed on a metal structure
ookinate23

ookinate23

Interior view of a steam locomotive control panel
meme87_x

meme87_x

Interior of a dark tunnel with visible pipes and electrical wires
ブー太郎

ブー太郎

Close-up of rusted metal parts and nuts
かさこ

かさこ

Image of a black metal structure with a yellow rope hanging down
木葉

木葉