An exercise device allowing a user to exercise his abdominal region by lying on his back while extending his arms generally upwards is disclosed. It also relates to electronic devices in which the active layer includes a lanthanide complex. Recording ink droplets ejected in the refresh ejection mode are deflected and impinge on a recording sheet at positions that are shifted by gradually smaller distances. The compression apparatus is designed to ensure the air seal between the top lid and the distilling cask. An identifier associated with the femto cell is ascertained from an attribute included in the report. Also provided are an apparatus to conduct the process and three dimensional objects obtained by the process.