Annealing

In metallurgy and materials science, annealing is a heat treatment that alters the physical and sometimes chemical properties of a material to increase its ductility and reduce its hardness, making it more workable. It involves heating a material above its recrystallization temperature, maintaining a suitable temperature for an appropriate amount of time, and then cooling.

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Source: Wikipedia · Image: Wikimedia Commons · CC BY-SA 3.0

AURUMLEAF

The craft of gilding — gold leaf, tools, and techniques.

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