No. 85-4648. August 27, 1986. Jerry L. Gardner, Jr., Metairie, La., for petitioners, cross-respondents. Marc B. Seidman, Elliott Moore, N.L.R.B., Deputy Assoc. Gen. Counsel, Washington, D.C., for respondent, cross-petitioner. Joseph G. Norton, Act. Dir., New Orleans, La., for other interested parties. Petition for Review and Cross-Application for Enforcement of an Order of the National Labor Relations Board. Before GEE, POLITZ, and GARWOOD, Circuit Judges. GARWOOD, Circuit Judge: Millwright and Machinery