Pencil Trick
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Pencil Trick
A pencil () is a writing or drawing implement with a solid pigment core in a protective casing that reduces the risk of core breakage and keeps it from marking the user's hand. Pencils create marks by physical abrasion (mechanical), abrasion, leaving a trail of solid core material that adheres to a sheet of paper or other surface. They are distinct from pens, which dispense liquid or gel ink onto the marked surface. Most pencil cores are made of graphite powder mixed with a clay binder. Graphite pencils (traditionally known as "lead pencils") produce grey or black marks that are easily eraser, erased, but otherwise resistant to moisture, most solvents, ultraviolet radiation and natural aging. Other types of pencil cores, such as Charcoal (art), those of charcoal, are mainly used for drawing and sketch (drawing), sketching. Coloured pencils are sometimes used by teachers or editors blue pencil (editing), to correct submitted texts, but are typically regarded as art supplies, ...
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