<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 5.50.4134.100" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2>   Richard</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Another way, and very good one, = is to put all the parts on a vessel with  oxalic acid diluted on water - one = spoon to one litter of water - and warm with all the parts on it.</FONT></DIV> <DIV><FONT face=Arial size=2>The oxalic acid cleans the wood and = after dried the wood seems new.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Rogerio Cunha<BR>IC Member of the Piano = Tecnicians Guild<BR>Rio de Janeiro - Brasil<BR><A href="http://hpp.ajato.com.br/rogeriocunha">http://hpp.ajato.com.br/rog= eriocunha</A></FONT></DIV></BODY></HTML>