1.   Pan made the pipe of reeds which can sing as sweetly as the nightingale in spring.

2.   Pitch fibre pipes are made from waste paper and other fibres soaked in pitch.

3.   The pipes are made of an alloy of copper and zinc.

4.   Chlorine is also a prime ingredient in making plastic pipes.

5.   In some houses, the pipes may be made of brass.

6.   In the early days of American plumbing, pipes were made of lead sheets hammered into shape around a pole.

7.   It will be based in Nanjing, Jiangsu province, and follows a Changchun factory making plastic pipe and two other factories making insulation in Guangzhou and Shanghai.

8.   Koor said it is in talks to buy a factory that makes polyvinyl chloride pipes from Electrochemical Industries.

9.   Not all threaded pipe is made of steel.

10.   Ribbed chrome pipe is made so it can be bent by hand without special tools.