No. 442, Docket 90-4062. Argued October 1, 1990. Decided November 27, 1990. Stuart M. Kirshenbaum, Mineola, N.Y., for respondent W.A.D. Rentals, Inc. Margaret G. Bezou, Washington, D.C. (Peter Winkler, Supervisory Atty., Jerry M. Hunter, Gen. Counsel, Robert E. Allen, Associate Gen. Counsel, Aileen A. Armstrong, Deputy Associate Gen. Counsel, N.L.R.B., Washington, D.C., of counsel), for petitioner N.L.R.B. Petition from the National Labor Relations Board. Before CARDAMONE and MINER, Circuit Judges