A current driver circuit comprises circuitry having a current adjustment function and operably coupled to a current driver for providing a current to a current consuming device. 1 to 10 wt % and is sealed in the rolling bearing. The waveguide matching part includes a fitting hole for fitting the inner conductor thereinto, and a plurality of cantilever supports which define the fitting hole at leading end portions thereof. A first portion of each pad extends away from the first side of the base and a second portion of each pad extends away from the second side of the base. The processed rough image signal is reproduced as a visible image on a display and the signal composing conditions are corrected so that the visible image on the display satisfies the desired image composition. A trader performs the steps of receiving, devising, sending, sifting and extracting, and matching and ranking.