<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=US-ASCII"> <META content="MSHTML 6.00.2900.2769" name=GENERATOR></HEAD> <BODY id=role_body style="FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: = Arial" bottomMargin=7 leftMargin=7 topMargin=7 rightMargin=7><FONT id=rol= e_document face=Arial color=#000000 size=2> <DIV> <DIV>  David</DIV> <DIV>   For brass parts we start by dipping them in Hydrochloric acid.  Your local chrome  plater will dip them & then they are= so much  much easier to polish. Respiratory caution is of course always th= e first order of business with any hazardous procedure involving dust or fumes= . BTW I consider anything in a spray can & as a unique & painful way t= o poison my self. Especially Permalon... it can be almost lethal ask AMHIK. Sa= me with residues form &</DIV> <DIV>  any kind of beak or sand blasting.</DIV> <DIV>  Dale</DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px solid"><= FONT style="BACKGROUND-COLOR: transparent" face=Arial color=#000000 size= =2>Help -<BR>There was what I <I>think </I>was a recent discussion (or at least mention) of bead blasting cabinets, where someone mentioned Harbor Freight= Salvage as a possible source of an inexpensive unit.  I have been una= ble to find that discussion.  My question though is for anyone who uses t= his process.  The manual seems to strongly emphasize respiratory precautions.  Is this, in fact, a real concern, even with these small= er units? <FONT size=3><STRONG>Also, what's the best material for cleaning = action parts</STRONG> </FONT><STRONG><FONT size=3>and screws?<BR></FONT></STRONG><BR>Many thanks -<BR><BR>David Skolnik </FONT></BLOCKQUOTE></DIV> <DIV></DIV> <DIV> </DIV></FONT></BODY></HTML>