includes info on increased usage over the last 4 years and how it is becoming essential in "one particular global shift in its end-use that has occurred over the past several years: Tungsten is now being used much more than it was in cemented carbide or hard metals. That is, it has become increasingly important to the process of making things, as opposed to being a constituent of the things being made."

 

http://www.hardassetsinvestor.com/features/4264-tungsten-one-of-the-heaviest-metals-a-a-hard-act-to-follow.html?showall=&fullart=1&start=4