functional

Image of a white ceiling fan against a dark background
@auioiaH

Hazuki

Elevator button panel mounted on a wall
sg_cameras

sg_camera

Interior of a subway train in black and white with hanging straps
sg_cameras

sg_camera

Two old air conditioning units side by side with shadows
RYUURIR

RYUURI

Perspective view of shoes on a grate
Tsubasa MfgT

Tsubasa Mfg

Image of a simple ceiling fan mounted on the ceiling
YuzurigimaY

Yuzurigima

Close-up of hooks mounted on a metal pipe with a green background
emie

emi

Part of a modern building featuring blue glass windows and air conditioning units
Tsubasa MfgT

Tsubasa Mfg

Set of measuring cups and a strainer hanging by a window
@soaks

soak

Close-up of a streetlight under a blue sky
kohisamak

kohisama

Black manhole cover with geometric pattern design
DragonOneD

DragonOne

Gray stone drinking fountain in a park setting
ookinate23o

ookinate23

Image of a trash bin with a black tire placed on top
ookinate23o

ookinate23

Unique design of metal ventilation ducts attached to a concrete wall
ookinate23o

ookinate23

Metal ventilation duct mounted on a roof against a clear blue sky
ookinate23o

ookinate23