No. 81-7852. January 24, 1983. Rehearing and Rehearing En Banc Denied April 8, 1983. Powell, Goldstein, Frazer, Murphy, J. Roy Weathersby, Atlanta, Ga., for petitioner, cross-respondent. James Callear, Washington, D.C., for respondent, cross-petitioner. Petition for Review and Cross Application for Enforcement of an Order of the National Labor Relations Board. Before KRAVITCH, HATCHETT and CLARK, Circuit Judges. HATCHETT, Circuit Judge: In this case we decide that substantial evidence supports enforcement