Notes to the Group Financial Statements
Year ended 31 December 2007

1. Revenue      
    2007   2006
    £m   £m
         
  Heat treatment, hot isostatic pressing and testing services 640.5   558.6
  Other operating income 5.2   2.8
  Investment revenue (see note 5) 3.3   3.4
  Total Revenue 649.0   564.8