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* W/O Water-in-oil emulsion. * WAC® Polyaluminum chloride .occulant by Water Treatment Solutions division of Elf Atochem North America, Inc....

* Fahrenheit (F) A temperature scale on which water’s freezing point is 32° and boiling point is 212°. ...surface channeling of water fed by wells or springs to provide a community water supply (Arabic).

...px|thumb|Water in three states: liquid, solid ([[ice]]), and (invisible) [[water vapor]] in the air. [[Clouds]] are the accumulations of the droplets, [[con {{Main|Water (properties)|Water (data page)|Water model}}

...nding it with a material that acts as a barrier between the waste and air, water, or other materials. * macrofouling The biological fouling of a water system with macroorganisms including clams, barnacles, and mussels....

* tap water * territorial water

...health risks; it prevents endanger­ment of underground sources of drinking water. * safe water Water that does not contain harmful bacteria, toxic materials, or chem­icals and