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First, pure graphite is floor together with advantageous clay often with water, wax, or other chemical substances. The amount of graphite added determines the kind of pencil that may end result. More graphite means a softer pencil with darker markings, such because the frequent 2HB pencil used for writing. Much less graphite signifies that the point might be more durable and the marking produced lighter, equivalent to in the H pencils used for outlining by artists.
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