The invention is sensor
i would like to invention a  special type of invention in the society if any one thrown waste or dirt in the corridors of the road then a sound also comes from it so people or police which listened this sound they can immediately come and take severe action upon the person. so there will be no harm in the environment. as like that if u keep the sensor towards the trees the people who cut the trees can be immediately punished by the forest officer or the people living their so deforestation will be also reduced this is also useful so i would like to invent
i hope this invention useful for the society