What is Abrasive?
{{wiktionary}} 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. The hardest natural abrasive is [[diamond]]. Diamond is commonly used in saw blades designed to cut tile or stone. {{science-stub}} [[Category:Construction]]