Give two (2) advantages of separate system of drainage. – NABTEB QUESTION By: Sunday|Published on: Sep 22|Categories: 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 advantages if trunking over ducting…Explain FOUR advantages and TWO disadvantages of…Name two methods that can be used to separate an…Name three methods that can be used to separate…State three (3) advantages of Database System to…SEE ALSO In vehicle maintenance; name any FOUR specific parts to be checked. - NABTEB QUESTION