閥門

Close-up of a black and white mechanical component featuring intricate valves and levers
@m4n4cm

m4n4c

Interior of a factory with gauges and valves
RYUURIR

RYUURI

White pipes and a circular valve near a concrete wall
@tatsun_s_createT

TATSU

Metal pipe with a red valve releasing water and bubbles
ezukae

ezuka

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

hiro

Close-up image of an IV drip tube and valve
@maruu

まるう

A section of wall featuring water pipes and valves with visible connection points
ookinate23o

ookinate23

Rusty pipe with corroded yellow valve on industrial equipment
@kasako

かさこ

Industrial setup featuring gas cylinders with pipes and valves
ookinate23o

ookinate23

A blue valve surrounded by grass on a red platform
RayR

Ray