
<TD ALIGN="CENTER"><IMG
 WIDTH="54" HEIGHT="17" ALIGN="BOTTOM" BORDER="0"
 SRC="img114.gif"
 ALT="$1x10^{-5}$"></TD>
</TR>
<TR><TD ALIGN="CENTER"><TT>medium</TT></TD>
<TD ALIGN="CENTER"><IMG
 WIDTH="54" HEIGHT="17" ALIGN="BOTTOM" BORDER="0"
 SRC="img115.gif"
 ALT="$1x10^{-6}$"></TD>
</TR>
<TR><TD ALIGN="CENTER"><TT>fine</TT></TD>
<TD ALIGN="CENTER"><IMG
 WIDTH="54" HEIGHT="17" ALIGN="BOTTOM" BORDER="0"
 SRC="img116.gif"
 ALT="$1x10^{-7}$"></TD>
</TR>
<TR><TD ALIGN="CENTER"><TT>xfine</TT></TD>
<TD ALIGN="CE