A rig mat implements opposing winching ends having a surface extension that is co-planar with the working surface of the rig mat. A second layer of semiconductor oxide material is formed on the first layer of semiconductor oxide material such that a two dimensional electron gas builds up at an interface between the first and second materials. A gap is provided between the outer diameter of the pressure piece and the inner diameter of the bore in the pressure plate. The bottom plate has a pair of rectangular opening therein for engaging one of a plurality of rectangular fingers, extending from the platform of the mobile rack. An associated method is also provided. A tablet conveying and cutting apparatus has an arranging device for arranging a long side of the tablet to be perpendicular to the tablet’s moving direction by moving the tablet for a predetermined distance; and an oblique plate for making the tablet fall a predetermined distance.