⏸️▶️🎵

#toggle #playback control #track control

🛤️⚙️▶️

#railway automation #track control #automated system #automatic operation #train running automatically #automated guideway transit

🎶⏸️▶️

#music pause play #audio controls #song playback #track control #ricky martin pausa play #music toggle

🚦↔️🛤️

#railway signalling #train control #track control #signal logic #railroad signalling #route setting