A DC power source unit supplies a DC voltage to a power tool through an adapter when a power switch of the tool is turned ON and also charges a battery pack used as an alternative power source of the tool when the power tool is not operated. In one aspect, the OLED display includes a flexible substrate and a plurality of OLEDs. Based on the telephone number, a telephone line is connected between the portable telephone and the personal computer. Another a system and method for energizing the evaporative solids to form a plasma which includes an electric arc discharge apparatus with a cathodic and an anodic part. A longitudinal drive system has a drive motor for advancing andor withdrawing the carriage drive system and a manual drive input enabling a user to manually advance or withdrawal the carriage drive system. In another embodiment, the selections include at least one terminator where a player continues to pick selections until the player picks a terminator or until there are no picks remaining.