Why does a goldsmith blow the outermost zone of a flame with a metallic blow pipe for melting gold and silver?

Why does a goldsmith blow the outermost zone of a flame with a metalli

1.	Why does a goldsmith blow the outermost zone of a flame with a metallic blow pipe for melting gold and silver?
Answer» ths BLOW the outermost ZONE of a flame with a metallic blow pipe for MELTING gold and SILVER. Hence GOLDSMITH use outermost part of the flame because it is the hottest part of flame.I hope this will help youIf not then comment me

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Why does a goldsmith blow the outermost zone of a flame with a metallic blow pipe for melting gold and silver?

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