Queenway Tankers, Inc., Kingsway Tankers, Inc., the East River Steamship Corporation, and Richmond Tankers, Inc., all chartered supertankers designed by Transamerican Delaval, Inc. Under the terms of the charters, each shipping company was financially responsible for many repairs to the tankers. From the start, there were problems with the tankers' turbines, which needed extensive and costly repairs. The plaintiffs brought a product liability suit against Delaval. The suit alleged that the manufacturing defects caused the damage. Should the shipping companies have prevailed in product liability against the manufacturer? Explain.East River Steamship Corporation v. Transamerican Delaval, Inc.,106 S. Ct. 2305 (U.S. Sup. Ct.).