A method is disclosed for controlling the movement of a position indicating item displayed on a screen in accordance with an output signal of control means including a pressure-sensitive resistor which outputs a signal whose level varies depending upon a pressing force applied to an operating element. The restraint device includes an upper attachment device, such as a clip or strap, coupled to the screen upper end for removable attachment to an automobile door frame. , a chlor-alkali cell, in which the diaphragm comprises fibrous material substantially resistant to the environment within the electrolytic cell and spheroidal ceramic microspheres at least partially resistant to the environment within the electrolytic cell associated with said diaphragm. Such repair or replacement may be performed electronically or via playback of the locally recorded audio. Methods of use are provided, as well as food products treated with these antibacterial compositions. The plurality of input data elements belonging to the one or more input streams and the plurality of output data elements belonging to the one or more output streams are stored.