From 101 solutions, my group have chosen some ideas to solve the unpleasant smell in trains.
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1. Door man in entrance of train station: This man will spray for you if you had a strong odor.
2. Public shower : the reason causes people become smelly mostly is sweat so there has a public shower beside the train station.
3. Sliding window: with the sliding window, the trains will be able circulate with the air from outside.
4. Air fresheners: like putting air-con, the air-fresheners will be built aim to absorb and decrease the strong odor in the trains.
5. Small holes on train's glass panel: this method would make the ventilation from inside of the trains.
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