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According to investigation, many Olympic facilities are low utilization after game. The seat of competition requires a good order of seats, also requires the flexibility after the game. Sucker is born.
Sucker's three states meet different needs.
State1: when someone sits down, the gas beneath sucker is pushed out by the weight of the person, as a result of the pressure, holds the ground firmly to ensure a good order.
State2: when no one uses it, the air pressure slowly returns to the outside, allowing it to be free to meet different situations.
State3: when you change the place ,you can release the gas inside sucker to move and receive it.
East China Normal University (ECNU)
Shanghai, Putuo, China
Yaxin Liu,
East China Normal University (ECNU)