Abrasive facts for kids
An abrasive is something that is very hard. It is also rough. It is used to rub things so they get smooth. When abrasives are glued to paper, it makes sandpaper. Aluminium oxide is a common abrasive. Abrasives are used to make the ends of wood pieces smooth and to smooth the cut ends of metal.
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Abrasive Facts for Kids. Kiddle Encyclopedia.