In message <199904152049.NAA06542@gonzo.wolfenet.com> Orin Eman writes: > But they quite often do change the underlying part... The classic example being Dextron --> hydraulic oil. The order number G 002 000 remained the same. -- Phil Payne Phone: 0385 302803 Fax: 01536 723021 (The contents of this post will _NOT_ appear in the UK Newsletter.)