A system and method for conductive pillars is provided. The plug comprises a peripheral cylindrical wall for sealingly engaging the skirt of the container. Such expansion and compression waves generate a positive net thrust on the watercraft in a direction opposite that of their expulsion. An air-fuel ratio amplitude amount in the air-fuel ratio dither control is calculated based on the calculated requested torque, the MBT estimated torque, and the spark timing retard limit estimated torque. In one aspect of the present invention, the process for preparation of a chelant composition by a non-spray-drying process includes the steps of admixing a transition metal chelant and an inorganic compound to form a mixture, aglomerating the mixture in an aqueous medium to form a chelant agglomerate and drying the chelant agglomerate. They are useful as agonists of the androgen receptor in bone andor muscle tissue while antagonizing the AR in the prostate of a male patient or in the uterus of a female patient.