2015-07-21
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The (путепровод) is both functionall and etimologically (относился) to the aqueduct, which (переносят) water; both were developed by Roman engineers. In the early of 20-th century the spread of (железо-бетонных) (конструкций) led to the building of concrete (арочных) structures such as Colorado Street viaduct over the Pasadena Freeway in California. A recent method used on long viaducts is (сегментная конструкция).
The (водоснабжение) in New-York City comes from Thee main (система акведуков) that can (поставлять) from 1 800 000 000 gal. of water a day from (источников) up to 120 miles away. (Cистема акведуков) in the State of California is by far the largest in the world.
