Already RCA was moving to assist the industry. In the early 1970’s, the industry set out to propel to full commercial maturity the technology that Woodland and Silver had dreamed up and Computer Identics had proved feasible. Computer Identic’s triumph proved the potential for mobile bar code scanner in industrial settings, but it was the grocery industry that would once again provide the impetus to push the technology forward. But that was all they needed; the Pontiac plant made only eighteen types of axle, and the General Trading facility had fewer than a hundred doors. Both systems relied on extremely simple bar codes bearing only two digits worth of information.