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USING WATER
Water is one of the most important things we need in our lives
DOMESTIC WATER USE
Water for domestic purpose includes drinking water,use for public services, such as hospiatls, schools, hotels and homes.
325 billion cubic metres of water are so used worldwide each year (each people use 52 cubic metres of water in a year).
3 types of use could be defined in relation to normal domestic supply:
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DRINKING
The human body requires a minimum intake of water in order to be able to sustain life before mild and then severe dehydration occurs. Adverse health effects have been noted from both mild and severe dehydration and the latter can be fatal.
Adults have to drink from 1.5 to 2 litres of water a day and a child has to drink 1 litre .
Water has to be clean because if it isn't ,and you drink it, you can also die because it contains a lot of microbes. To avoid this you've only to heat it up.
COOKING
Water is essential as a medium for preparing food. It is difficult to be precise about volumes required to prepare staples as this depends on the staple itself. People use about 7.5 litres of water for cooking in a day.
WASHING
We need water for maintaing food and person hygiene through hand and food washing, bathing and laundry.
We use a lot of water for washing up the dishes and we have to have showers not more than once or twice a week because it is healthy for our body.