This company virtually has a monopoly on the machines needed to produce the most advanced chips in the world. Is it worth a look?Mark Twain once said, "When everyone is looking for gold, it's a good time to be in the pick-and-shovel business." Most of the prospectors who went west looking for gold went bust, but the person who sold those prospectors mining gear in St. Louis or Denver was rolling in dough.If I asked you which company was the "pick-and-shovel" player in the tech industry, you'd probably guess ...