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The paper cup is simple convenience's commodity, annotate its use value, attaches paper cup other functions.
The user may tear down adheres to stick cohere on the paper cup the circle label.Using the label way, does not use when and the paper glass is an same place.
Cold water - pastes underneath the paper cup prevents the water drop to adhere to stick cohere on the table.
Hot water - pastes in the place above, maintains in cup's temperature.
National Chiao Tung University