The first water supply systems which were built in Istanbul date back to the foundation of the city.

Worked started in 1983 with water from the new works going into the supply system in July 1986.

But he said the supply system was just keeping pace with the demand for spare parts.

The supply system in the mountains is inadequate, to say the least.

"Our worldwide supply system can be put back together very quickly."

The supply system left much to be desired around here.

However, some of the flags remained in the supply system until the 1950s.

"The impact on the supply system or the work system might be significant."

There is great need for a more sustainable water supply systems.

Still, at the national level, the already stressed energy supply system is considered the most critical sector to watch.