Preventive And Corrective Maintenance Of The Video Projection System In School Classrooms As Part Of The Pioneer Schools And Colleges Program, For The Benefit Of The Following Regional Education And Training Academies (Aref):1. Aref Of Béni Mellal – Khénifra; 2. Aref Of Casablanca – Settat; 3. Aref Of Dakhla - Oued Ed-Dahab; 4. Aref Of Drâa – Tafilalet; 5. Aref Of Fez – Meknes; 6. Aref Of Guelmim - Oued Noun; 7. Aref Of Laayoune - Sakia El Hamra; 8. Aref Of Marrakech – Safi; 9. Aref De L’Oriental; 10. Aref Of Rabat – Salé – Kénitra; 11. Aref Of Sous-Massa; 12. Aref Of Tangier - Tetouan - Al Hoceima.