Disclosed are enhanced efficacy aluminum-zirconium chlorohydrate antiperspirant salts having a metal to chloride ratio of about 0. Service station drive mechanism binding due to hard stop impact is compensated for by calculating a difference between when the drive mechanism stops and when a predetermined velocity change was first recorded. In addition, it can reduce a number of working processes as well as amount of waste since all it requires is to bend the plastic hinge to provide the electrical insulation. Note that applying the charge may involve applying a sequence of one or more charge pulses. After the advanced process successfully re-processes the previously failing part of its execution, the trailing software process is allowed to advance. The plates and the support member are pivoted about the pivot unit until the plates and the support member are parallel to the frame to fold the bicycle carry rack.