Provided is a manufacturing method of a CCD solid-state imaging device having such an impurity concentration distribution with which shading is reduced and formation of a buried channel endowed with a large saturation signal charge amount is made possible. The method includes coupling a base to the structure, the base including the one or more ports for injection of the material into the one or more cavities in the structure and one or more slots. Training and recruitment of agents represents a significant investment in time money and other agents for a contact center. An identifier corresponding to the user is provided by the user by using the telephone keypad or voice commands.