Described are computer-based methods and apparatuses, including computer program products, for compressing three dimensional data of a scene. A bit holder of this kind is designed in service-life-optimized fashion by the fact that the holding projection comprises a supporting segment having a rigid, shaped-on supporting surface that is arranged at least locally in front of the insertion projection in the feed direction. The OEL component is capable of emitting individual prime colors, red, green or blue, or producing white light which is then made to passes through color filters to produce RGB colors. The inner tube preferably has a colored shiny or reflective covering, or stripes of one or more colors, or with a picture or design on the outside or within the tube. These novel forms of naltrexone impart advantages in pharmaceutical formulations incorporating them, including sustained release, or long acting, formulations. A gravitational wave detection device that exhibits directivity and can be tuned.