Tungsten. A very practical grey-white metal, because it is among the toughest. In alloy with steel, it makes amazing drills, which pierce you everything. And then, its exceptional melting point, its tensile strength, its low expansion coefficient make it an ally of choice in the aeronautics and armament. For example, to shield the tanks. But it has other uses more than useful. It thus allows a smartphone to vibrate. And it protects by a shieldin…
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Tungsten. A very practical grey-white metal, because it is among the toughest. In alloy with steel, it makes amazing drills, which pierce you everything. And then, its exceptional melting point, its tensile strength, its low expansion coefficient make it an ally of choice in the aeronautics and armament. For example, to shield the tanks. But it has other uses more than useful. It thus allows a smartphone to vibrate. And it protects by a shieldin…