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Lakes are surface water sources, with water levels changing depending on the seasons. Lakes usually play an important role in the supply of water for…
Last updated 19 June 2018
A landfill is an engineered pit, in which layers of solid waste are filled, compacted and covered for final disposal. It is lined at the bottom to…
Last updated 27 April 2018
Coming soon...
Last updated 07 February 2018
Last updated 17 July 2018
A leach field, or drainage field, is a network of perforated pipes that are laid in underground gravel-filled trenches to dissipate the effluent from…
Last updated 27 April 2018
Water leakage is an important component of water losses. Many methods for controlling leakage from urban water supply systems have emerged, but it…
Last updated 27 April 2018
Learning needs analyses are undertaken to determine the gap between the existing skills, knowledge and abilities and those desired. Once this gap is…
Last updated 07 June 2018
Last updated 27 April 2018
Last updated 27 April 2018
Work in progress...
Last updated 07 February 2018
Last updated 27 April 2018
Last updated 27 April 2018