1 Answers
Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
Gold will only tarnish after 50-60 years. If you have gold that's old enough to be tarnished, removing the tarnish will most likely devalue the gold as the tarnish is showing its antiquity so don't de-tarnish gold.
4 views
Answered