MCQOPTIONS
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MCQOPTIONS
| 1. |
Short fibers of glass wool can be used up to _______ |
| A. | 500<sup>o</sup>C |
| B. | 600<sup>o</sup>C |
| C. | 700<sup>o</sup>C |
| D. | 800<sup>o</sup>C |
| Answer» B. 600<sup>o</sup>C | |