... The applicable confine: Park, Plaze, Amusement Park, Tourist Attraction. Electric Vehicle, Electric Scooter.The applicable confine: Outdoors: Park, Plaze, Amusement Park ... Economic environment:Power-driven, no air pollution, no noise, all closed-end battery, no leakage of concerns, and low power consumption. 8 ... , left to the next generation of cleaner Earth. Electric Vehicle, Electric Scooter