Before revision: Metals and alloys thumbnail|200px|Crankshaft fatigue fracture Metal and alloy surfaces can be analyzed in a number of ways, including by spectroscopy and EDX used during scanning electron microscopy.
After revision: Metals s thumbnail|200px|Crankshaft fatigue fracture Metal and alloy surfaces can be analyzed in a number of ways, including by spectroscopy and EDX used during scanning electron microscopy.