MCQOPTIONS
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| 1. |
At what temperature are raw materials inserted into the furnace? |
| A. | 1000<sup>o</sup>C |
| B. | 1500<sup>o</sup>C |
| C. | 2000<sup>o</sup>C |
| D. | 3000<sup>o</sup>C |
| Answer» C. 2000<sup>o</sup>C | |