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1. |
What is the area of the heating surface of a Cochran boiler? |
A. | 100 m<sup>2</sup> |
B. | 120 m<sup>2</sup> |
C. | 150 m<sup>2</sup> |
D. | 200 m<sup>2</sup> |
Answer» C. 150 m<sup>2</sup> | |