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static water level — The level of water in a well that is not being affected by withdrawal of ground water [6] … Lexicon of Cave and Karst Terminology
Water resources — A natural wetland Water resources are sources of water that are useful or potentially useful. Uses of water include agricultural, industrial … Wikipedia
Level sensor — Level sensors are used to detect liquid level. The liquid to be measured can be inside a container or can be in its natural form (e.g. a river or a lake). The level measurement can be either continuous or point values. Continuous level sensors… … Wikipedia
Water heating — is a thermodynamic process using an energy source to heat water above its initial temperature. Typical domestic uses of hot water are for cooking, cleaning, bathing, and space heating. In industry, both hot water and water heated to steam have… … Wikipedia
Water supply — is the process of self provision or provision by third parties of water of various qualities to different users. Irrigation is covered separately. Global access to waterIn 2004 about 3.5 billion people worldwide (54% of the global population) had … Wikipedia
Ground (electricity) — In electrical engineering, ground or earth may be the reference point in an electrical circuit from which other voltages are measured, or a common return path for electric current, or a direct physical connection to the Earth. A typical earthing… … Wikipedia
Water — This article is about general aspects of water. For a detailed discussion of its properties, see Properties of water. For other uses, see Water (disambiguation) … Wikipedia
Lock (water transport) — Canal lock and lock keeper s cottage on the Aylesbury Arm of the Grand Union Canal at Marsworth in Hertfordshire, England … Wikipedia
Dallas Water Utilities — (DWU) is the water and wastewater service operated by the City of Dallas, Texas, in the United States. DWU is a non profit City of Dallas department that provides services to the city and 31 nearby communities, employs approximately 1450 people,… … Wikipedia
Portable water purification — devices – also known as point of use (POU) water treatment systems and field water disinfection techniques – are self contained units that can be used by recreational enthusiasts, military personnel, survivalists, and others who must… … Wikipedia
potentiometric field — As used in karst hydrology, a discontinuous highly irregular surface representing the static ground water head as indicated by the level to which water rises in a selected piezometer. In some piezometers, the water level rise will be greatly… … Lexicon of Cave and Karst Terminology
