They use a metallic blow pipe to blow outermost zone of flame
It is because
- the outermost zone of flame is hottest zone
- Gold and silver have high melting points
- It helps in easily melting gold,metal into different shapes and patterns
Goldsmith melting gold looks like
Questions
NCERT Question 10 -
Which zone of a flame does a goldsmith use for melting gold and silver and why?
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