Hand making bowls production method process starts by utilizing virgin pure copper sheeting. Remove any tapes or stains off the copper sheet surface . Draw required shapes to cut onto a copper sheet with pencil or a sharpie marker. Use snips (Large scissor) to cut the copper sheet into required sizes. Apply heat to copper with a torch. Copper starts to change color showing different shades of bright red, purple and blue. Copper changes colors because of surface oxidation. As it is heated, a layer of black copper oxide will form, thus changing its color. As the temperature increases, the oxide layer will get thicker. The copper needs to be softened in order to form it into bowls or any other shape. This process makes shaping the metal possible with hand tools and is called annealing
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