A liquid ejection apparatus has gutter bodies secured to an agitator shaft at predetermined inclination angles or gutter bodies or tubular bodies attached to the agitator shaft so that the size of the inclination angles are adjustable. The window frame member is a low melting glass and has a sheet resistance of 106-1010 \u03a9\u25a1. The second component is prepared by injection molding andor injection-compression molding the semiaromatic polyamide composition onto the first component. A tunneling member is mounted on the distal extremity of the tunneling shaft.