![The World Is Running Low On Tungsten; Why You Should Care](/e69yszg/96.jpg)
The World Is Running Low On Tungsten; Why You Should Care
Mar 14, 2012· Last month, Warren Buffett and Berkshire Hathaway unit IMC International Metalworkingagreed to invest 80 million in a tungsten mining project in South Korea, which was once the world's biggest ...