The river water can be ................ by a barrier celled dam. DEVIDE

In urbanised areas, municipal wastewater are ................. to a point of treatment through sanitary sewers. CONVEY

The world's ...................... geothermal power installation is "The Geysers" in California. LARGE

Many kinds of pumps are used in .................. system. DISTRIBUTE

In additional, metal pipes may rust ............... if the water supply is corosive. INTERNAL

To count area of triangle we need an ................ . EQUAL

The operation is called ...................... . MULTIPLY

The operation is called ................ . ADD