Nos. 1095, 1096, Dockets 89-4003, 89-4009. Argued May 8, 1989. Decided September 13, 1989. Edward J. Dempsey, Director, Indus. Relations Labor Counsel, United Technologies Corp., Hartford, Conn., for respondent/intervenor United Technologies Corp. Judith P. Flower, Washington, D.C. (Barbara A. Atkin, Supervisory Attorney, Joseph E. Desio, Acting 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