Pencils and markers are writing instruments commonly used for drawing, writing, and marking on various surfaces. Pencils are made of graphite and/or charcoal encased in wood, plastic, or metal, while markers are made of various inks or pigments contained in a plastic or metal barrel. Both pencils and markers come in a wide range of colors and tip sizes to suit different applications. They are used in many industries, including art, design, construction, and manufacturing.
