Where employees decide to reduce a class from two other company properties to one, there was no harm to continuing the complaint for the initial group.The 7th U.S. Circuit Court of Appeals affirmed a decision by Chief U.S. District Judge William C. Griesbach, Eastern District of Wisconsin.Several employees of ThyssenKrupp Waupaca Inc. brought a class-action suit against Waupaca in federal district court in Wisconsin. The employees worked in several foundries that manufacture ductile and gray cast iron parts for use in the …