An eraser, (also called a rubber outside America, from the materialfirst used) is an article of stationery that is used for removing writing from paper or skin. Erasers have a rubbery consistency and come in a variety of shapes, sizes and colours. Some pencils have an eraser on one end. Less expensive erasers are made from synthetic rubber and synthetic soy-based gum, but more expensive or specialized erasers are vinyl, plastic, or gum- like materials.
At first, erasers were made to erase mistakes made with a pencil ; later, more abrasive ink erasers were introduced. The term is also used for things that remove writing from chalkboards and whiteboards. Ink erasers are denser, allowing them to erase pen marks.
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