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Agricultural water refers to water used for irrigation and rural livestock. Agricultural irrigation water consumption is affected by water level, climate, soil, crops, farming methods, irrigation technology, and canal system utilization coefficient, and there are obvious regional differences.

Domestic water refers to the water needed by human daily life, including urban and rural domestic water. Urban domestic water is composed of residential water and public water (including service industry, catering industry, freight, post and telecommunications industry, and construction industry), and rural domestic water includes livestock water in addition to residential water.

Industrial water refers to the general term for production water used in the industrial production process and living water for employees in the factory area. Different industries have different requirements for industrial water quality. According to the water quality, it can be divided into raw water, softened water, desalted water, pure water, ultrapure water, etc.

Seawater Desalination is the production of freshwater by desalting seawater. It is an open-source incremental technology that realizes the utilization of water resources. It can increase the total amount of fresh water, is not affected by time, space, or climate, and can ensure a stable water supply, such as drinking water for coastal residents and industrial boilers.

The boiler is a kind of equipment that uses the heat energy released by fuel combustion or other heat energy to heat water or other working medium to produce steam, hot water, or other working medium of the quality of specified parameters (temperature, pressure). 

The brackish water desalination device is a water treatment device produced by using the principle of reverse osmosis technology, combined with microcomputer technology and mechatronics technology. The desalination of brackish water is the desalination of salt water so that the salt water is desalted or treated to reach the drinking water standard.