As-mined oil sand is crushed to 5 inch by a sequentially arranged pair of double roll crushers. The water pressure system includes a submersible pump connected to the inlet of the pressure tank by a drop pipe. Also disclosed is the electrophotographic photosensitive member thus obtained, and an electrophotographic apparatus having that member. The system may be deployed in such applications as roadways and paved surfaces, bridges, buildings and aircraft and spacecraft. The WTRU may activate or deactivate DRX or DTX based on the setting for the state variable. The soldering iron further includes an energy converter provided for absorbing the laser beam and coupled to the soldering tip for heating the same.