Eraser (EXCLUSIVE - SUMMARY)

Before the rubber eraser, people used abrasive stones like pumice or, more commonly, soft breadcrumbs to rub out graphite and charcoal marks. The turning point arrived in 1770 when English chemist Joseph Priestley discovered that a piece of vegetable gum rubber was excellent for removing pencil marks.

Furthermore, "erasers" have expanded into household cleaning with products like the "Magic Eraser," which uses melamine foam to clean stains, although this is vastly different from traditional paper-based erasers. eraser

The eraser material is more adhesive to the graphite than the paper is. The particles stick to the rubber. Before the rubber eraser, people used abrasive stones