🫀🚪🩸

#heart valve #cardiac valve #aortic valve #mitral valve #wolf doolb #клапан

✉️↗️

#flap #envelope flap #cover #closure #paper flap #lid #клапан

⚙️🔩↔️

#control valve #regulator #actuator #mechanical part #machine component #клапан

ቧ🚗⚙️🔩

#mechanical valve #pipe valve #flow control #industrial valve #regulator #клапан

🎺🔘🎶

#musical valve #trumpet valve #piston valve #instrument key #клапан