توفير وحدة ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال ال