Prohibited

⚠ warning ☣ biohazard ⚠️ warning ☢ radioactive ☢️ radioactive ☣️ biohazard 📵 no mobile phones 🚳 no bicycles 🚭 no smoking ⛔ no entry 🚯 no littering 🚸 children crossing 🚱 non-potable water 🚷 no pedestrians 🔞 no one under eighteen