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#howthingsaremade #factory #factoraThe history of pencils can be traced back to pre-historic times when chalky rocks and charred sticks were used to draw on sur...
How Pencils Are Made How Pencils Are Made How Pencils Are Made How Pencils Are Made How Pencils Are Made How Pencils Are Made How Pencils Are Made How Pencils A...
Making pencils is an intense process.Watch full episodes of the Science Channel series "How It's Made" on the Science GO app or sciencechannel.com.Subscribe to ...