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Chalkboard duster
I remember us kids at the little country school out in the sticks having to take turns cleaning the chalkboard duster. We would take it outside and bang it against the rainwater tank or the timber fence around the school. chalk dust went everywhere, I’m sure we all breathed in heaps over the years. Maybe someone needs to do a study on the harm breathing it in has caused us as who knows what was in the chalk back then.
