For the pumps
If the water is on a hilltop, energy must have been used to pump it up there from wherever it originates. On the other hand, when used it will flow downhill without pumping.
the petronas towers were built in 1998
The Martello Towers were built in 1846... that is what i know :P
it was built in 1975
it was built in 1975
The twin towers were built in 1973.
the twin towers were built by very large machinery and they also took a while to build them
no not yet
the petronas towers were built in 1998
Large towers are built to provide water to keep equipment cool.
to honor the towers when they were there and to keep 9/11 in rememberance
Good storage containers are built in a manufacturing plant.