

MCQOPTIONS
Saved Bookmarks
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 | |