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I - DISPATCH is a masks shield machine which has the function of detection of PM 2.5 .
When the air quality reach pollution, the system will automatically grant masks . Provide
people with masks and manner People's health in timely.
The screen will display the value of PM 2.5 and masks can be gotten. People can rely on
brushing with ID card or entering ID number to get a mask when the value of PM 2.5 is