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QUICK OVERVIEW INTRODUCTION 1. PRESORT MAIL - DESCRIPTION 2. MACHINEABLE MAIL - DESCRIPTION 3. MACHINEABLE MAIL - ADDRESSING 4. MACHINEABLE MAIL - ENCLOSURES 5. MACHINEABLE MAIL - ADVERTISING AND SERVICE INSTRUCTIONS 6. MACHINEABLE MAIL - CONSTRUCTION 7. MACHINEABLE MAIL - TESTING AND CERTIFICATION APPENDIX A - TESTS WINDOW MATERIAL APPENDIX B - TESTS - OUTER COVER MATERIAL