[Tunis Afrique Presse] Tunis/Tunisia -- The Water Researches and Technologies Centre (CERTE) on Tuesday called for the implementation and the generalisation of the pilot experiences conducted in the field of grey and rain water reuse under the NAWAMED project, and the development of an adequate legal framework for such reuse, during a workshop on "regulations and urban planning tools to encourage the reuse of non-conventional water in Tunisia," organised in Tunis.