EXHIBIT 23.3



            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM








     We hereby consent to the use in this  Pre-effective  Amendment No. 2 to the
Registration  Statement on Form S-4 of our report dated March 30, 2005  relating
to the consolidated financial statements of Kronos Denmark ApS, which appears in
such  Registration  Statement.  We also consent to the reference to us under the
heading "Experts" in such Registration Statement.








                                                     PricewaterhouseCoopers LLP


Dallas, Texas
July 6, 2005