Yes Peter the main emphasis was on how to collect the grey water in order to facilitate the necessary  treatment technologies.However I am grateful for the different responses I have received ,,they are all so helpful and will be a great contribution to my research.

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Yes Peter the main emphasis was on how to collect the grey water in order to facilitate the necessary  treatment technologies.However I am grateful for the different responses I have received ,,they are all so helpful and will be a great contribution to my research.