This system was mainly used by potters who would glaze their wares and afterwards scratch a design into them. In historic periods graffiti were being carved on walls with a sharp object, although occasionally chalk or coal have been applied. The phrase originates from Greek γράφειν—graphein—meaning "to put in writing".[eight] https://beaumswad.wikinewspaper.com/3142648/examine_this_report_on_work