The chemical reactions that occur with the limestone reagent form a corrosive environment requiring many of the system components to be corrosion and abrasion resistant.
Limestone reagent chemical reactions cause a corrosive environment.
A corrosive environment is not caused by limestone.
The initial notice was published on the city website.
the children are playing tennis
Two women are sharing a soda.
There is a man standing near a man
No one feeds anything to the pigeons because it is against the law.
The doctors are professionals