Whole families in Lauscha have been blowing glass here since the 16th century.

自十六世纪以来，整个玻璃世家就已经在劳沙吹制玻璃制品。

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Blowing glass in the fabrication of scientific glassware involves the use of a torch or burner.

吹制玻璃在制备科学玻璃器皿涉及使用火把或燃烧器。

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The origins of glass date back to 3,500 BC but it wasn't until the Roman Empire, 2,000 years ago, that the art of glass-blowing and the practical uses of glass became more widespread.

玻璃的起源可以追溯到公元前3500年，但直到2000年前的罗马帝国，吹制玻璃的艺术和玻璃的实际使用才变得更加广泛。

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With glass blowing, an artist could make many containers in a day.

VOA: special.2009.09.16

You can watch real artisans blowing glass, making lye soap and carving chairs the old-fashioned way.

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Most who do not, and many of those at less academic schools, go ultimately into specialised training for one of around 350 trades, from gardening to glass-blowing.

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Panels of black glass hang from the ceiling and blowing hot breath on them, he explained, reveals engraved hidden messages.

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