The invention relates to an improved stuffing tube assembly and method for traversing a bulkhead with a cable. A central penetrating axle of the rotating member is pivotally coupled onto the second frame, and each eccentric pivotal point is pivotally coupled to the first end of the pedal arm, and each pedal arm includes a footrest for a user to step. Related embodiments also include a system and an E-Mail message conveying a structured news release. The controller may be operably connected to each storage device. A method comprising contacting a polymerization catalyst system comprising a Ziegler-Natta catalyst and a cocatalyst with a catalyst activator at least twice during a polymerization process, wherein the polymerization process is carried out in a reactor system comprising multiple reactor types.