A process forms a single crystal silicon ingot from varying sized pieces of polycrystalline silicon source material according to the Czochralski method. A mobile communication system comprises a plurality of communication terminals that wirelessly communicate with each other; and a base station that is requested, based on the transmission speeds of the communication terminals, by the communication terminals to transmit downlink communication information. To solve the above dilemma, readily available printer stations allow the user to print a selectable portion of the information at one of the predetermined locations and conveniently charge the user for a print fee. The door hinge includes a roller assembly connected to the door side hinge strap. An output phase correction circuit removes, in response to the digital clock changing from producing the second frequency to producing the first frequency, the number of pulses from the output that were counted by the excess pulse counter.