Absorbable Duster

Absorbable Duster To Avoid Chalk Dust Pollution

Duster is an important element in a classroom, for cleaning the blackboard. But while erasing there are a lot of chalk particles that disperse in the air. This can cause respiratory problems. Therefore, to solve these problems, this student has devised a smart duster to get rid of chalk dust pollution. The model consists of … Continue reading “Absorbable Duster To Avoid Chalk Dust Pollution”

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