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<p>[QUOTE=&quot;GDJMSP, post: 1064633, member: 112&quot;]People tend to get hung up on words, including me. Cleaning is one of those words. When somebody mentions cleaning a coin and there is a negative conotation what they really mean is harshly cleaning. Harshly cleaning a coin does harm to the coin - it changes the surface of the coin. Cleaning a coin does no harm to the coin and it does not change the surface of the coin.</p><p><br /></p><p>Examples - </p><p><br /></p><p>You can dip a silver coin in acetone to remove some substances from the coin like glue or tape residue - thus you are cleaning the coin. But you are doing no harm to the coin and you are not changing the surface of the coin.</p><p><br /></p><p>You can soak a coin in distilled water in order to remove dirt and grime from the coin. Thus you are cleaning the coin. But you are doing no harm to the coin and you are not changing the surface of the coin.</p><p><br /></p><p>Kind of hard to call these two things anything but cleaning.</p><p><br /></p><p>You can take a coin and scrub it with a toothbrush and baking soda to try and remove dirt and grime. And thus you are harshly cleaning the coin</p><p>and doing harm to the coin. And you are definitely changing the surface of the coin because the toothbrush by itself puts lots of fine scrathes on the surface of the coin and the abrasive baking soda adds even more of the same.</p><p><br /></p><p>Same thing happens if you rub a coin with a cloth, regardless of how soft the cloth is. You still change the surface of the coin and thus you are harshly cleaning the coin.</p><p><br /></p><p>Now you can call cleaning conserving if you want, but that doesn&#039;t mean it isn&#039;t cleaning because it is cleaning by definition.</p><p><br /></p><p>And you can say harsh cleaning, improper cleaning, or harmful cleaning. But in the end it&#039;s all the same thing. All of them mean you are doing harm to the coin instead of just cleaning it.</p><p><br /></p><p>Cleaning does no harm.</p><p><br /></p><p>Harsh cleaning always does harm.</p><p><br /></p><p>That&#039;s the difference and the only difference.[/QUOTE]</p><p><br /></p>

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