What is the effect of blackboard chalk dust on a person's health if there's exposure of the dust regularly to a human through their eyes, nose, mouth and skin? - Quora
Good Product Shop - ❌ WARNING ❌ Use ordinary chalk to write 😱 Prone to chalk dust flying into the eyes => eye pain 😱 Breathe in chalk dust => cough, sore
![Chalk dust floating in soft window light as a youthful educator ponders in solitude within the confines of his class room" - Playground Chalk dust floating in soft window light as a youthful educator ponders in solitude within the confines of his class room" - Playground](https://images.playground.com/74947ddacb2b4eef9cc4fc7478e21d76.jpeg)