Motion by plaintiffs to dismiss the appeal by defendant (U-Can Rent, Inc. II) and third-party defendant (Voyager Property and Casualty Ins. Co.) for lack of substantial constitutional question allowed 5 October 1994. Petitions by defendant (U-Can Rent, Inc. II) and third-party defendant (Voyager Property and Casualty Ins. Co.) for discretionary review pursuant to G.S. 7A-31 denied 5 October 1994.