PTELook at the text below. In 35 seconds, you must read this text aloud as naturally and clearly as possible. You have 35 seconds to read aloud.

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Line engraving on metal, which, to a great extent, was a development of the goldsmith ’ s craft of ornamenting armor and precious metals, did not emerge as a print-making technique until well into the 15 th century. Copper, the metal mainly used for engraving, was expensive, and engraving itself was laborious and took a long time.

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