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From Electrical Contacts
<randomimage size="170px" float="left" choices="SofteningOfCuETPafterAnnealing.png|Strain_hardering.png" />
Different shapes of powders are
<randomimage size="170px" float="left" choices="Strain_hardering.png|SofteningOfCuETPafterAnnealing.png" />
Different shapes of powders are