This publication discloses a method for manufacturing an electronic module, in which manufacture commences from an insulating-material sheet. Each layer is constructed from a poly vinyl chloride impregnated scrim. The limited visibility bite line may comprise a mark or other indicia observable only under specific viewing conditions andor only for a limited amount of time or until removal. Then, the target adhesion material is scraped from the recycled target material Thereafter, the surface of the recycled target material is processed.