A two-step blow molding machine having flexible cavitation which includes a plurality of stations, a preform loading station, a thermal conditioning station where preforms are heated and thermally conditioned prior to blow molding, a blow molding station having a plurality of molds, the number of which defines the cavitation of the blow molding station, and an article unloader station. In one embodiment, a tubular support structure is positioned in a tire cavity of the pneumatic tired wheel and coupled to the wheel rim to turn concurrently with an axis of rotation of the wheel rim. The transmission cable further includes a first terminal and a second terminal, in which the first terminal has a first connection port for engaging the body connection port and the second terminal has a second connection port for engaging a computer. After forming the gate-defining members, remaining insulative member portions are removed from above the semiconductor body of the tri-gate device but not the I-gate device.