A database is devised to manage input and output as well as storage of individual machine information D, which is a body of information concerning each manufacturing machine as a product of a company. The system also includes a digital mirror device 16 that includes an array of mirror elements. Weight data produced by the scanningweighing process includes information about the amount of lifting the operator performs on scanned items, the rate of scanning by the operator, and rescanning information. A method of treatment is also disclosed . The first coil is a first spiral and the second coil is a second spiral wherein an insulating material layer is disposed between the first spiral and the second spiral. The transmitter has at least two transmit antennas and circuitry to provide at least two of the MC system frequency sub-carriers to different ones of the at least two transmit antennas.