Water as substance is applied in many spheres of human activity. It is used in municipal services, production, the industry, air conditioning systems, etc.
Instruction
1. Water – the most valuable natural resource having huge value in activity of mankind. This only substance in the nature which can exist in three physical states: ice, liquid and gas. Water is capable to absorb a large amount of thermal energy without significant increase in own temperature that as a result defines climate of the planet. Usual clear water incorporates hydrogen and oxygen. It has a bluish shade and very difficult compressibility.
2. Water is applied in many areas, each of which has a great influence on physical and economic wellbeing of mankind. The greatest number of water uses municipal services. In particular, the humidity of air, necessary for normal activity of mankind, is maintained, conditioning is carried out, and operation of such equipment requires water. She cools heat exchangers of conditioners of air and creates necessary climate in rooms in hot weather. To it heat houses and public buildings. Maintenance of life of plants is based on water which is provided to them by the nature.
3. The person cannot live without water. It purifies blood and brings disintegration products out of kidneys. It is used for cooking and drinks, in the course of bathing, by washings, washing of ware and food. The sanitary equipment demands use of water as the carrier of waste of sewer systems. It could not be replaced during irrigation of lawns, bushes and trees in summer months. Water is used in fire protection. It is important to provide uninterrupted giving, sufficient capacity and the corresponding power of water highways for its free delivery to all places of the settlement of the person and protection against the fire.
4. Rather large number of types of active holiday assumes water use. It is possible to give rowing, swimming, fishing and other water sports as an example. Water is widely applied in production and the industry, and in medicine. There is a whole direction called hydrotherapy. It means external use of water of various temperature with the medical and preventive purpose. The physiology of effect of hydropathic procedures is defined by the nature of irritations which they render on skin, and through it and on all organism of the patient.
5. Scientists proved that water is capable to transfer information. It has a memory therefore water is quite often used in magic ceremonies and plots. It is considered that the "live" water met in a natural look on Tibet is capable to improve aura of the person. And "dead" – to poison an organism, to promote its early aging.