Water heating is a thermodynamic process that uses an energy source to heat water above its initial temperature. Typical domestic uses of hot water include cooking, cleaning, bathing, and space heating.In industry, hot water and water heated to steam have many uses. common arrangement where hot-water space heating is employed, is for a boiler to also heat potable water, providing a continuous supply of DHW without extra equipment. Appliances that can supply both space-heating and DHW are called combination (or combi) boilers.
1 The population of South Africa is estimated at 53,139,528 as of July 1 2014. 2  South Africa's population is equivalent to 0.73% of the total world population. 3  South Africa ranks number 25 in the list of countries by population.
Because of this lack of rain, most of their food is imported. Natural increase rate of Western Sahara is 2.0%, infant mortality rate is 49%, population under age of 15 is 31% and over 65 are 2%. Sudan: With its large land mass, Sudan is the largest country by area in North Africa and the tenth largest in the world.A population of 38.6 million people makes Sudan the second largest populated country in North Africa. It has a population growth of 2.2% and an infant mortality rate of 69%.ecause of this lack of rain, most of their food is imported. Natural increase rate of Western Sahara is 2.0%, infant mortality rate is 49%, population under age of 15 is 31% and over 65 are 2%. Sudan: With its large land mass, Sudan is the largest country by area in North Africa and the tenth largest in the world.