Supply, installation, and connection of electromagnetic flow meters on the drinking water network at border points Part 1: Supply, installation, and connection of electromagnetic flow meters on the drinking water network at border points in the provinces of Ouezzane, Chefchaouen, Al Hoceima, and Larache: and Larache: Part 2 Supply, installation and connection of electromagnetic flow meters on the drinking water network at the border points in the regions of Tangier-Asilah, Tetouan, Fahs-Anjra,