domingo, 15 de enero de 2017

Graphite

Graphite is not only used for pencil leads.
Learn all about graphite
https://s-media-cache-ak0.pinimg.com/originals/e7/9c/b9/e79cb93cbcad36484aea9b62a33e5d48.jpg 
(Click on the image to enlarge it)
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