The origins of design authorThan humans to write with a pen or pencil, as at present. Take the development tools used in writing for several thousand years.In the past, people may use finger soil. Or stone ground into a powder ผสมกับยา tree or glue from skin, write on the wall or on cliffs, also writing on wood or sheet metal. To write on the leaves (such as the ancient scriptures written on palm leaves). The invention of paper up to use.
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