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Q. |
4 LAYING, JOINTING AND TESTING OF PIPES - APPURTENANCES |
A. | stainless steel |
B. | copper |
C. | ceramic |
D. | plastic |
Answer» C. ceramic | |
Explanation: various materials are used in the other systems, e.g. cast iron, steel, copper and aluminum. plastic is used for water and air lines, and ceramic for drainage and sewage pipes. |
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