... Truckle with brake for easy transport ;10.Micro-computer programmed control, clear and luxury LED panel;11.More evident dropping ... Making, Painting, Plastic, Clothes Making, Food Package etc.3). Others: Golf Court, Bakery, Playground, Hospital, School, Passenger Waiting Room, Supermarket, ... Factories, etc.Factory:FRONT VIEW:BACK VIEW: PRINCIPLE: Application Examples: remote-control air cooler fan