On+or+in+the+water
71Water supply and sanitation in Honduras — Water supply systems which use gravity correspond to 93% of all constructed systems. Mixed and pump using systems correspond to 4.5%. The scattered rural population intensely depends on about 15,000 dug wells. [… …
72Water supply and sanitation in Nicaragua — is provided by a national public utility in urban areas and water committees in rural areas. Despite relatively high levels of investment, access to water in urban areas has barely kept up with population growth, access to urban sanitation has… …
73Water supply and sanitation in Venezuela — is characterized by insufficient coverage and service quality, despite the country s oil wealth. Increases in coverage in the 1990 2001 period have been limited; more recent coverage figures are not readily available.Investments in the sector are …
74Water supply and sanitation in India — continue to be inadequate, despite longstanding efforts by the various levels of government and communities at improving coverage. The situation is particularly inadequate for sanitation, since only one of three Indians has access to improved… …
75Water (classical element) — Water has been important to all peoples of the earth, and it is rich in spiritual tradition.Greek and Roman tradition Water is one of the four classical elements in ancient Greek philosophy and science. It was commonly associated with the… …
76Water skiing — is a sport where an individual (or more than one individual) is pulled behind a motor boat or a cable ski installation on a body of water wearing one or more skis. The surface area of the ski (or skis) keeps the person skimming on the surface of… …
77Water cure — is a form of water torture in which the victim is forced to drink large quantities of water in a short time, resulting in gastric distension, water intoxication, and possibly death.cite book|title=Oxford English Dictionary|quote=In the… …
78Water hammer — (or, more generally, fluid hammer) is a pressure surge or wave resulting when a fluid in motion is forced to stop or change direction suddenly (Momentum Change). Water hammer commonly occurs when a valve is closed suddenly at an end of a pipeline …
79Water conservation — refers to reducing the use of water.The goals of water conservation efforts include: * Sustainability To ensure availability for future generations, the withdrawal of fresh water from an ecosystem should not exceed its natural replacement rate. * …
80Water activity — or aw is a measurement of the energy status of the water in a system. It is defined as the vapor pressure of water above a sample divided by that of pure water at the same temperature; therefore, pure distilled water has a water activity of… …
