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<DIV><FONT color=#0000ff face=Arial size=2><SPAN
class=850555019-05112001>Hi,</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff face=Arial size=2><SPAN
class=850555019-05112001></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT color=#0000ff face=Arial size=2><SPAN =
class=850555019-05112001>I need
an advice from a chemist .</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff face=Arial size=2><SPAN
class=850555019-05112001></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT color=#0000ff face=Arial size=2><SPAN =
class=850555019-05112001>What
happens to oils with time (if there is only one type of oil, or if it =
can be
considered as a class of product).</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff face=Arial size=2><SPAN
class=850555019-05112001></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT color=#0000ff face=Arial size=2><SPAN =
class=850555019-05112001>Do
they transform in soap ?</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff face=Arial size=2><SPAN
class=850555019-05112001></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT color=#0000ff face=Arial size=2><SPAN =
class=850555019-05112001>I am
wondering what is this gummy residue I find regularly&nbsp;on flanges
around&nbsp;and in the pin bushing,  looking like wax or paraffin, or =
soap, on
25 - 50 years old pianos ?</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff face=Arial size=2><SPAN
class=850555019-05112001></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT color=#0000ff face=Arial size=2><SPAN =
class=850555019-05112001>And
what is the advantage of having an acid free oil (as
Ballistol).</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff face=Arial size=2><SPAN
class=850555019-05112001></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT color=#0000ff face=Arial size=2><SPAN =
class=850555019-05112001>Thanks
in advance.</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff face=Arial size=2><SPAN
class=850555019-05112001></SPAN></FONT>&nbsp;</DIV>
<DIV><FONT color=#0000ff face=Arial size=2><SPAN =
class=850555019-05112001>Isaac
OLEG</SPAN></FONT></DIV></BODY></HTML>