A digital still camera has a power source circuit, CCD and the like which are supplied with power by a battery having positive and negative electrodes. The filter wrapper paper exhibits a first overlap air permeability, measured when a perforated tip paper is overlapped on the first surface, and a second overlap air permeability, measured when a perforated tip paper is overlapped on the second surface. The method also includes plugging the fill-hole with a plug. The railroad car may further comprise a first pulley connected to the first side of the frame and a second pulley connected to the second side of the frame, the first pulley and second pulley each having a respective axis of rotation parallel to a direction of travel of the railroad car. A recorder is provided for recording the encrypted input data content and the content access control data on the computer readable storage medium.