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When the rainy season and typhoon coming, drivers often parked the cars on the roadside, however, some parking place might full of water and damaging the cars. We use the concept of combining baking soda and acetic acid, producing large amounts of carbon dioxide. The flood will automatic inflatable mattress. So next time when parking the car just put the FLOODING CUSHION under the car to protect the vehicle from being flooded.
XIN JIE KE,