| 摘要 |
<p>The present invention is related to a method used for giving the surfaces of natural stones such as marble, travertine, etc., an aged and weathered appearance. This method is realized by using wire brushes instead of abrasives being a kind of grindstone, on the abrasive heads of the polishers used in the existing natural stone processing technique; this provides the natural stones with a surface of soft irregularities and a natural brightness as if used for a long time; it also increases the amount of production.</p> |
