Metals are said to be shiny.why do metals s generally appear to be dull?how can their brightness be restored??
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Metals only look shiny when they are polished.
They appear to be dull originally because most metals are extracted from ore minerals and rocks.
That is why they need to be polished and scrubbed to bring back the shine.
This is the reason why they look dull.
They appear to be dull originally because most metals are extracted from ore minerals and rocks.
That is why they need to be polished and scrubbed to bring back the shine.
This is the reason why they look dull.
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