(I) Introduction A. Motivation of writing a paper on Roman aqueduct and sewage system.
B. Organizational overview of paper
C. Thesis Statement (II) Why Sewage and Aqueduct System was required - Why Sewage system was required. - Why Aqueduct System was required. (III) Sewage and Aqueduct Construction - How Roman sewage system was built. - How Roman aqueduct System was built. (IV) Engineer Aspects of the System - Water level segregation and Filtration System. - Water Transport System. - Water Arches and Underground water system. - Central Sewage System (V) Possible problems ...