The invention concerns a new process for the preparation of bosentan or bosentan monohydrate by reaction of compound of Formula II with ethylene glycol in the presence of potassium bases and the potassium salt of bosentan. Additionally, a means for strengthening the neck may be incorporated to increase stress transfer to the native bone. The heat is then sensed by a thermal imaging device which will provide a signal to a computing device which will alert a user of the apparatus to the possibility of an explosive device being present. This family of functions has certain optimal properties with respect to the frequency domain concentration of energy for a given time-domain length time series.