<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Use glass beads and reduced air pressure.<div>Find the pressure by trial and error.</div><div>I found that it did a fair job of cleaning, depending on how careful you are. </div><div>More care less pitting.</div><div>John Ross</div><div>Windsor</div><div>Nova Scotia</div><div><br></div><div>On 26-09-2012, at 5:13 PM, <a href="mailto:KnottStudios@aol.com">KnottStudios@aol.com</a> wrote:<div><br class="Apple-interchange-newline"><blockquote type="cite"> <meta charset="US-ASCII" http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <meta content="MSHTML 6.00.2800.1555" name="GENERATOR"> <div style="FONT-SIZE: 12pt; FONT-FAMILY: Arial; BACKGROUND-COLOR: #ffffff"> <div>Sandblasting will also remove wood, felt, any finish as well as pit metal plastic, ivory</div></div></blockquote></div><br></div></body></html>