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<DIV><FONT face=3DArial size=3D2>Crown failures</FONT></DIV>

<DIV><FONT face=3DArial size=3D2></FONT> </DIV>

<DIV><FONT face=3DArial size=3D2>Several have been mentioned following tuni=

ng=20

</FONT></DIV>

<DIV><FONT face=3DArial size=3D2>I remember Hitchin failing in this=20

way.</FONT></DIV>

<DIV><FONT face=3DArial size=3D2>How many times has this happened?</FONT></=

DIV>

<DIV><FONT face=3DArial size=3D2>Please could I have any known details with=

dates to=20

compile a list, or perhaps one exists.</FONT></DIV>

<DIV><FONT face=3DArial size=3D2>These can be  sudden catastrophi=

c=20

fails.</FONT></DIV>

<DIV><FONT face=3DArial size=3D2>Has there been any injury or serious damag=

e as a=20

result?</FONT></DIV></BODY></HTML>