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 two advantages of fiber – optic link compared…Name two methods that can be used to separate an…SS2 Lesson Note on the Drainage: Meaning; Importance…State TWO advantages of multi-drive axle - NABTEB QUESTIONName THREE important alloys of aluminium. ii. Give…