impact sprinkler head in action. Irrigation sprinklers are sprinklers providing irrigation to agriculture, crops, vegetation, or for recreation, as a cooling system, or for the control of airborne dust, landscaping and golf courses. The sprinkler system irrigates the field and thus it is widely used in sandy areas as it checks the wastage of water through seepage and evaporation.
The population of Hong Kong is estimated at 7.33 million in 2015. At the end of 2012, Hong Kongâs population figure stood at 7,173,900. Today it is estimated to be 7.33 million, which makes it one of the most densely populated areas in the world.Hong Kong has a population density of 6,300 people per square kilometer.ong Kong Population Growth. Hong Kongâs population is expected to reach 8.469 million by 2041, with 52100 births and 82,400 deaths predicted by The Census and Statistics Department. It expects over 30% of the population to be above 65 by 2041.
Population of Jamaica 2014. As of 1 January 2015, the population of Jamaica was estimated to be 2 767 704 people. This is an increase of 0.73 % (20 112 people) compared to population of 2 747 592 the year before. In 2014 the natural increase was positive, as the number of births exceeded the number of deaths by 34 785. Due to external migration, the population declined by 14 672. The sex ratio of the total population was 0.969 (969 males per 1 000 females) which is lower than global sex ratio.