330 S.E.2d 611 (1985)
313 N.C. 603
J.M. THOMPSON COMPANY
No. 129P85.
J.M. THOMPSON COMPANY
v.
DORAL MANUFACTURING CO., INC., and LMT Steel Products, Inc.
No. 129P85.
Supreme Court of North Carolina
May 7, 1985.Dailey J. Derr, Durham, for plaintiff.
Kimzey, Smith, McMillan & Roten, Raleigh, for defendants.
Plaintiff's petition for discretionary review under G.S. § 7A-31. Denied.