Nos. 96-3392 and 96-3578. Argued June 26, 1997. Filed January 13, 1998. Michael S. Mitchell, Esq., Robert E. Larkin, III, Esq., Fisher Phillips, 201 St. Charles Avenue, Suite 3710, New Orleans, Louisiana 70170, Attorneys for Petitioner/Cross-Respondent, Dorsey Trailers. Robert J. Englehart, Esq., Charles P. Donnelly, Esq., Aileen A. Armstrong, Esq., National Labor Relations Board, 1099 14th Street, NW, Washington, D.C. 20570, Attorney for Respondent/Cross Petitioner, National Labor Relations Board