Why does a goldsmith blow air into the kerosene lamp flame with a blow pipe?
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A goldsmith blows air into the kerosene lamp flame with a blow pipe so that complete combustion of fuel takes place and the temperature of the flameincreases. ... Otherwise the goldsmith blows the outermost, hotter zone of theflame on the jewellery.
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because to increase a temperature of fuel and for complete combustion
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