No. 4364, in court of appeals for 1st circuit, W. W. Cross & Company, Inc., et al., v. National Labor Relations Board, United Steelworkers of America, C. I. O., et al., intervenors; United Steelworkers of America, C. I. O., et al., v. [same], on petitions for review of orders of National Labor Relations Board; appendix B to brief for National Labor Relations Board.