Put the sentences in the right order according to the text

1). London water supply infrastructure developed over many centuries from early mediaeval conduits to modern large scale reservoirs.

2). Decentralization of water infrastructure has grown extensively towards a more rational use of water.

3). Since the ancient times, people have invented systems to make getting and using water more convenient.

4). Desalination appeared during the late 20th century.

5). Water towers appeared around the late 19th century.

6). Early Rome had indoor plumbing, meaning a system of aqueducts and pipes that terminated in homes and at public wells and fountains for people to use.

7). For many decades, Lyster's method remained the standard for U.S. ground forces in the field and in camps.

8). As skyscrapers appeared, they needed rooftop water towers.

9). Among several possibilities that have been managed are the extensive use of desalination technology.

Finish the sentences defining major landmarks in the history of water supply.

1). Throughout history people have devised systems…

2). Early Rome had indoor plumbing…

3). London water supply infrastructure developed from early mediaeval conduits…

4). Water towers appeared…

5). The technique of purification of drinking water by use of…

6). Desalination appeared…

7). During the beginning of the 21st century…

8). Decentralization of water infrastructure has grown extensively as…