mild acids, mostly phosphorus based but not necesserily
yes,specially if it is the case of under ground pipes as it can detect the sound of lowest volume a excess sound is heard it can lead to detection.
Formation of these salts is a chemical process.
There is Black Iron pipe, made of iron. There is Cast Iron pipe, which is black in colour, made from old cars and their parts. There is black ABS plastic pipe, made of plastic. There is Utility pipe, also made from plastic.
They go down the drain or they react with the plastic and metal and could ruin the pipes.
When water changes state from a liquid to a solid, it is undergoing a physical change. The chemical structure of water is not altered, so no chemical changes have occurred.
PVC is widely used in water pipes, irrigation pipes, irrigation boxes and in window frames.
Irrigation sprinklers
it is called irrigation
Underground irrigation delivers water to gardens and lawns through buried hoses or pipes.
Irrigation
This field has already had irrigation pipes set up.
Drain the water and put antifreeze in the pipes
This is known as 'irrigation'.
Freezing of pipes, flooding, roof damage, and the blockage of power
That would be "irrigation."
The most important invention of the Sumerian's was Irrigation. Irrigation is how the Sumerian's led their water through pipes, etc.
Poly vinyl chloride. -Very common for irrigation and drain pipes.