Aggressive waters that tend to be cupro-solvent are the most likely to give rise to impingement attack.

Fracking hoses are high-pressure, high-strength lay-flat hoses designed for pumping aggressive water around mine sites.

In our graveyards we scoop a pit, but this aggressive water opens mile-wide pits and chasms, and makes a mouthful of a fleet.

The program - which is coupled with an aggressive water conservation requirement - is designed to protect owners of high-density buildings from significant increases in water bills that could result when the buildings are billed on a metered basis.

"Some other grubs that promise to turn into butterflies and moths, horribly aggressive water things that I am told turn into damask flies and what have you..." Isaac pointed at a tank full of dirty water, behind the others.