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Article Contents

ABSTRACT

1.INTRODUCTION

2.A SUMMARY OF SOME KEY FINDINGS ON FR-IS AND FR-II RADIO GALAXIES

3.DUST AND FR CLASSIFICATION

4.RELATIVE ORIENTATIONS OF RADIO AND HOST OPTICAL AXES AND THE FR CLASSIFICATION

5.THE HOST GALAXIES OF FR-I AND FR-II RADIO GALAXIES

6.IN PERSPECTIVE

7.UNDERSTANDING THE TWO SOURCE TYPES
7.1.The Owen-Ledlow diagram
7.2.Host galaxy mass and the FR type

8.SUMMARY

REFERENCES