A surface of a molded resin 4 is entirely or partially roughened, and the light is diffused by the roughened portion. A JAVA\u2122 Runtime Dynamic Invocation API is used for low-level bridging between JAVA\u2122 and CC++, enabling the dynamic invocation of native CC++ functions and C++ classobject methods from the JAVA\u2122 side without adding any additional ad hoc implemented native code to the overall JAVA\u2122 component implementation. When the synthetic speech is output to be superposed on the music during output, the apparatus gradually decreases a tone volume of the music. The plunger is helically grooved along its length and a converter translates rotation of the handle into linear motion of the plunger, thereby advancing the plunger within the tube. A method and a computer software code are further disclosed for operating the remotely controlled powered system. Preferably, either or both of Trichosporon FERM BP-6445 or Arthrobacter FERM BP-6444 was contacted with the polyester to decompose or reduce it.