Give two (2) advantages of separate system of drainage. – NABTEB QUESTION by Sunday | Sep 22 | NABTEB QUESTIONS | 0 comments ANSWER: (i) Reduction in the cost of pumping/evacuation (ii) Reduction in the cost of sewage treatment Users Also Read These:State the two advantages of the disc brake over the…State three (3) advantages of Database System to…Name two methods that can be used to separate an…State TWO advantages of super heterodyne radio…SS2 Lesson Note on the Drainage: Meaning; Importance…