OPINION
PER CURIAM:
The petitioning Board’s decision and order are published at 202 N.L.R.B. No. 17, 82 L.R.R.M. 1801 (1973). The Board’s findings that Mission Rubber violated sections 8(a)(1) and 8(a)(3) of the National Labor Relations Act, 29 U.S.C. §§ 158(a)(1) and 158(a)(3), are supported by substantial evidence. See NLRB v. Miller Redwood Co., 407 F.2d 1366 (9th Cir. 1969). Accordingly, the Board’s order will be enforced.