Pigment based inks are provided. To achieve its purpose the apparatus has been designed to correlate the physics of a \u201cforward moving, pushing and lifting machine\u201d with the requirements of the grading process and thereby extend the traditionally limited use of a front-end loader machine into the finish grading market. The third main electrode is provided on the major surface of the laminated body and opposite to the control electrode across the second main electrode. The neck support portion may support the head and neck of a user in a comfortable manner. The sliding module includes a sliding base, two clamp sheets and a driving unit, each clamp sheet having a pivot end, a free end opposite to the pivot end and a sliding block. Vitamin B12 compounds are administered separately, simultaneously or in combination with interferon compounds to provide an enhanced therapeutic effect for treating viral, proliferative and inflammatory diseases.