File:Tungsten carbide.jpg

Summary
https://en.wikipedia.org/wiki/File:Tungsten_carbide.jpg Description English: Solid tungsten carbide (PCB bits). To the left are samples of the major elemental constituents, a tungsten rod and a carbon rod. Date	11 August 2005 (original upload date) Source	Transferred from en.wikipedia to Commons. Author	Splarka at English Wikipedia Licensing[edit] Public domain	This work has been released into the public domain by its author, Splarka at English Wikipedia. This applies worldwide. In some countries this may not be legally possible; if so: Splarka grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.