9 CIRCUIT BOARD LAMINATES; MASS LAMINATIONMULTI-LAYER PANELS; PRE- PREG MATERIALS SUCH AS GLASS CLOTH IMPREGNATED WITH EXPOXY RESIN, FORMULATIONS AND MATERIALSFOR USE IN MAKING CIRCUIT BOARD LAMINATES; AND PRECISION DIGITAL EQUIPMENT FOR MEASURING THICKNESS, LENGTH, WEIGHT AND ADHESION OF LAMINATES