A. Small sewers are cleaned by flushing
B. Medium sewers are cleaned by cane rodding
C. Medium sewers may be cleaned by pills
D. All the above
Correct Answer: All the above ✔
Last Updated: August 25, 2020
A. Small sewers are cleaned by flushing
B. Medium sewers are cleaned by cane rodding
C. Medium sewers may be cleaned by pills
D. All the above
Correct Answer: All the above ✔
Last Updated: August 25, 2020