An apparatus for reinforcing door jambs to prevent forced entry through the doorway by strengthening the composite materials of the door jamb with the addition of the apparatus, which is attached with threaded fasteners that go through the door jamb and are anchored into the framing studs. The invention also relates to the use of these sequences in the diagnosis, study, prevention, and treatment of metabolic diseases and disorders. To receive the medical therapeutic, the patient can have his or her fingerprint read and compared to the stored fingerprint. These factors have a profound influence on the survival of the transplanted tissue, especially if the tissue has poor angiogenic properties. A forward facing roughing part is arranged on at least one flute and on the front portion of the head, the roughing part having a roughing edge, to provide further cutting capability in a direction substantially forwards. The belt is driven by a reversible servo motor.