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       Acknowledgements
       This research project is funded by EPSRC Research Grant No. 98316366 and by  International Coatings
       Ltd.  The  large  plate  experiments  at  CEHIPAR  were  made  possible  by  the  European  Community
       programme  CEHMAR,  which promotes  the mobility  and  opportunities  of  researchers.  The  authors
       wish to thank the CEHIPAR staff for their contribution  to the experiments.  and  Sabino Quirros and
       Josu lntxaurraga from International Coatings Ltd. Spain for their help in the paint application. Trevor
       Wills (Akzo Nobel  Technology Centre)  is thanked for his help with the optical  measurement  of the
       surfaces. Dr. Townsin is thanked for his helpful comments and suggestions throughout  the course of
       this prqject.

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