River pollution is an issue. Lots of trash like plastic and bottles get into the water. This trashcomes from plants, animals and factories. It’s happening everywhere in the world. Many peopleare moving to cities. This means there are factories. More factories mean more waste gets intoour river and lakes. The river cleaning robot can pick up trash from the water. It has a conveyorbelt and strong motors. You can control these motors from away. This robot can go into rivers,lakes and small ponds to clean up the trash. It makes cleaning up the water easier and moreeffective. The people who made this robot wanted to be affordable and good, for theenvironment. They also wanted it to be easy to use. They tested the robot. It worked well. Itpicked up lot of trash without using much energy. The river cleaning robot helps keep our waterclean. It helps stop pollution. This robot helps us take care of the earth. It keeps our rivers andlakes clean.
M et al. (Mon,) studied this question.
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