A strengthened window-type semiconductor package is provided. Music is maintained and includes a multiplicity of music stored in digital media form on a portable digital media player. A method of operating may include erasing a semiconductor memory cell by floating andor grounding a word line, applying a preset erase voltage to a control gate, andor grounding an N-well, a bit line andor a common source. The roof side surface extends along a breadthways direction of the vehicle body and is connected to the roof member. The heat of the burning tea light votive candle warms the metal holding container, thereby accelerating the evaporation of the scented oil. An estimated fault location may be generated based on the time difference between the first time and the second time.