A. Water closets
B. Flushing pipes
C. Lavatory basins
D. All the above
Correct Answer: All the above ✔
Last Updated: January 20, 2019
A. Water closets
B. Flushing pipes
C. Lavatory basins
D. All the above
Correct Answer: All the above ✔
Last Updated: January 20, 2019