

MCQOPTIONS
Saved Bookmarks
1. |
Bottom openings 15 cm × 15 cm in the standing baffle wall are provided |
A. | 5 cm c/c |
B. | 2.5 cm c/c |
C. | 0 cm c/c |
D. | 0 cm c/c |
Answer» C. 0 cm c/c | |