The intelligent ashtray can turn on the infrared sensor switch on the basis of inheritance. Abstract of the concept design of automatic environmental protection ashtray: ashtray is an indispensable tool for smokers. With the improvement of people's requirements for living and working environment, automatic environmental protection ashtray is gradually entering people's lives.
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I really don't think it's necessary to be smart about everything.
Not bad
No, no, no, no, smokers don't deserve such advanced ones.
Less smoke
Can people quit smoking
How intelligent