186 S.E.2d 176 (1972)
280 N.C. 302
CATAWBA VALLEY MACHINERY CO., Inc.
CATAWBA VALLEY MACHINERY CO., Inc.
v.
AETNA INSURANCE CO.
Supreme Court of North Carolina.
January 28, 1972.Kenneth D. Thomas, for plaintiff.
Patrick, Harper & Dixon, for defendant.
Petition for writ of certiorari to review the decision of the North Carolina Court of Appeals. 185 S.E.2d 308.
Denied.