Practical transmission power adaptation in multicarrier code division multiple access communications is using either a frequency domain technique or a time domain technique or a combined frequency and time domain technique in response to channel variations. A transition between two adjacent side surfaces forms a rounded nose radius surface at a cutting insert corner. The adjustment of length of the stick can be easily achieved by both right-handed and left-handed users. The new header for the spatial multiplex video picture frame indicates a slice format frame, and headers of the individual components are altered to provide a slice format based picture position for each video picture frame.