Per semplicità le maschere d'aperture sono di solito o poste di fronte allo specchio secondario (per es. Tuthill ed altri (2000) o posto in un piano d'apertura ri-immaginata come mostrato nella figura 1.a) (per es. Haniff ed altri (1987); Young ed altri (2000); Baldwin ed altri (1986)).
In recognition of the special handicaps which they face by reason of their remoteness and specific constraints in integrating into the internal market, the Commission considers that regional aid for the outermost regions covered by Article # of the Treaty also falls within the scope of the derogation in Article #(a), whether or not the regions concerned have a GDP per capita of less than # % of the Community averageWikiMatrix WikiMatrix