No. 27283. April 15, 1970. Norman F. Burke, Orlando, Fla., for petitioner. Marcel Mallet-Prevost, Asst. General Counsel, N.L.R.B., Washington, D.C., Harold A. Boire, Regional Director, N.L.R.B., Region 12, Tampa, Fla., Eugene B. Granof, Atty., N.L.R.B., Washington, D.C., for respondent. George C. Longshore, Birmingham, Ala., Bernard Kleiman, Gen. Counsel, Pittsburgh, Pa., Bredhoff Gottesman, George H. Cohen, Washington, D.C., for intervenor United Steelworkers of America, AFL-CIO. Before TUTTLE,