Balloons made of rubber, which consists of molecules shaped like a line spaghetti. When we blow the balloons. This molecule would stretch the chest and thin layer karueay to become a solid. In the end, it may not be flexible anymore. The air that is being wasted to push the inner wall of balloons until and if we thrust needle khai peng. Internal pressure will escape to the outside all of a sudden, the rubber of the balloon, tears.
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