Prohibited

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