European stocks closed in mixed territory on Tuesday, as investors weighed signs of economic growth in the euro zone against weaker-than-expected Chinese data.
The "Made in America" label has become less common to spot, but everything from automobiles and airplanes to washboards and whistles are still made in U.S. factories.
Applications of the technology include catching illegal fishing, tracking hurricanes and typhoons, detecting forest fires and monitoring volcanoes as soon as they begin.