Making pink erasers is an intense process that's been perfected, starting in 173 when a French explorer discovered South American Native Indians' rubber. A large number of ingredients go into making a rubber eraser. Its manufacturing involves breaking the synthetic rubber into multiple states as it's processed by different machines.

Watch full episodes of the Science Channel series "How It's Made" on the Science GO app or at: http://insder.co/HowItsMade

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