Tuesday, January 19, 2010

How the pencils are made?

Did you know this, here two interesting links about:
• How the pencils are made
http://science.discovery.com/videos/how-its-made-pencils.html

• Color pencil pigments:
http://science.discovery.com/videos/how-its-made-colored-pencil-assembly.html

Alert: at the beginning there is a brief commercial

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