O button (blood type) 🅾️

✅check mark button ❌cross mark ❗red exclamation mark ❓red question mark 🏧ATM sign 🚮litter in bin sign 🚰potable water ♿wheelchair symbol 🚹men’s room 🚺women’s room 🚻restroom 🚼baby symbol 🚾water closet 🛂passport control 🛃customs 🛄baggage claim 🛅left luggage ⚠️warning 🚸children crossing ⛔no entry 🚫prohibited 🚳no bicycles 🚭no smoking 🚯no littering