11.   To make ventilation pipes, he used his pottery skills and created them out of ceramic.

12.   Today, residential water-supply pipes are made of steel, plastic or copper.

13.   USX-U.S. Steel is one of the few major steel companies that makes seamless pipe, which saw price increases throughout the quarter.

14.   When running water was introduced into American homes, the first pipes were made of lead.

15.   All were workers from the Mitsubishi Materials Corp. plant, which makes nickel pipe and is located in the center of an area densely packed with manufacturing plants.

16.   The Pont-a-Mousson group makes cast-iron pipes.

17.   The pipes would be made by Europipe GmbH which is owned by Mannesmann and by Usinor-Sacilor and is based at Ratingen near here.