Q
The stone ware sewers_________________?
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A
A. Are used for carrying sewage and drainage from houses
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B
B. Are manufactured from clays and shale
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C
C. After casting are dried and burnt at temperature 150Β°c, 700Β°c and 1200Β°c
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D
D. All the above
Correct Answer:
D. D. All the above
