Fertilizers and pesticides applied to crops eventually may reach underlying aquifers, particularly if the aquifer is shallow and not protected by an overlying layer of lowpermeability material, such as clay. Drinking-water wells located close to cropland sometimes are contaminated by these agricultural chemicals.
script - a written version of a play or other dramatic composition; used in preparing for a performance playscript, book dramatic composition, dramatic work - a play for performance on the stage or television or in a movie etc.
In fact, in its most simple form, a Windows PowerShell script is a file that contains a collection of Windows PowerShell commands. A Windows PowerShell script has the following advantages: I can share it with other people.