A layout tool includes an object detector constructed and arranged to detect the location of a vertically extending edge portion of an object hidden from view behind a generally vertically extending wall surface, a light source that is capable of projecting a line of light along the wall surface, and an angular orientation mechanism operably coupled to the light projection mechanism. The convergence yoke portion 5 comprises an annular convergence core 53, a convergence horizontal coil 51 wound around both of left and right two regions of the core 53 which intersect a horizontal axis, and a convergence vertical coil 52 wound around both of upper and lower two regions of the core 53 which intersect a vertical axis. Since the oriental medicinal composition includes crude drugs extracted from natural substances that can prevent hair loss, it is effective for hair growth and has ensured biostability. If any of the security settings have changed, the security application automatically modifies the security settings in order to return the changed settings to their activation state.