An enhanced oil recovery method is provided. The lower wall of each section may have a longitudinal central rib projecting toward the upper wall for additional strength. Signatures for the book can be requested from other members of the group, and signatures can be created in others’ books integrating various multi-media elements, straight from the user’s device. The plasma may be an oxygen plasma and the adherent may be selected from either a heat cured silicone-based paste adhesive with a metal oxide filler or a heat cured porous polymer film impregnated with adhesive. A spring arm extends along an outer side of the plug-in piece arranged on the outside of the insulating body, even when in use, which contacts the inner side of the sleeve and has an inwardly directed projection arranged on a free end thereof which engages in a depression or recess on the ground contact and fixes the ground contact in the axial direction. The method also includes applying the intellectual property management model to a set of inputs associated with data corresponding to a request to protect a proposed idea or concept.