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Thousands of people are casualties annually all over the world due to driving under the influence of alcohol, and the relevant statistics are increasing gradually every year. However, how to effectively prevent or eliminate such issue has not been discovered yet.
The new designed car window film contains certain chemical elements which can react with alcohol and especially when the amount of alcohol breathing out by the driver exceeds the legal standard, the reaction will be reflected in the new designed window film with different colours and patterns, so that it warns the driver, passengers, and policemen.
Lei Sun, Yi Liu,Zhaohua Zhu,Weijia Qi