The North American Die Casting Association (NADCA), Rosemont, Ill., released the 2003 edition ofProduct Specifications Standards for Die Casting. The manual covers specification, design and production guidance for both users and manufactures of die castings. Revisions for this edition include the addition of alloy selection information; cross-reference tables of overseas alloy designations and chemical compositions; a rewritten section on coordinate dimensioning, including expanded examples and tolerance graphs; an improved checklist for die casting production part purchase; and an expanded example section.