An OFDM wireless communications system includes terrestrial and satellite based base stations. It is proposed that the grinding means and the hub are joined via joining means in the manner of a positive connection at least in the direction of rotation. The invention also includes use of these compounds in pharmaceutical compositions for treatment, prophylactic or therapeutic, of disorders and conditions related to the activity of beta-secretase protein. Financial accounts may be classified on a variety of bases, and the results may be presented in a report. A second hole is formed in a firmly fitted member.