The disc protection casing includes a disc protection casing body having a disc receiving space therein. A cooling element to be used in connection with a metallurgical furnace or the like is made mainly of copper and includes water cooling channels. The expand module inserts a noise chunk. The financial transaction instrument may be provided to the physician card member, who may purchase the endorsed HIT product from the identified supplier at the negotiated discount. The outer end face of the cover may be recessed for receipt of one or more interchangeable decorative faceplates. The air flow is directed from the front head of the machine towards the rear auger.