text: of USSR, in July 1984 in Leningrad, USSR; (c) Support to the Eastern and Southern African Management Institute (ESAMI) in Arusha, United Republic of Tanzania, in the form of lectures in a course on transportation projects organized by the Institute; (d) Preparatory activities for an inland water training course to be organized in co-operation with the Polish Government, in Wroclaw, Poland, in June 1985; (e) Preparatory activities for a seminar on railways to be held in Arusha, United Republic of Tanzania, in September 1985. 53. In co-operation with the United Nations Conference on Trade and Development (UNCTAD) , the terms of reference were established for a feasibility study on the establishment of a multinational shipping company for members of the Preferential Trade Area (PTA) for Eastern and Southern African States. They were discussed by the fifth meeting of the PTA Transport and Communications Committee. 54. The Co-ordinating Committee of Ministers of the Trans-Central African Highway (TCAH) and the Inter-State Facilitation Commission for the Trans- East African Highway Authority (TEAHA) were established. (b) Communications 55. The activities undertaken by the ECA secretariat in the field of communications related to the current programme of the United Nations Transport and Communications Decade in Africa (UNTACDA) and embraced the Pan-African Telecommunications Network (PANAFTEL) programme, organization of seminars, servicing and/or participating in meetings and conferences. 56. As part of its assistance in mobilizing additional financial resources for implementing broadcasting projects within the UNTACDA programme, the secretariat organized the sixth Technical Consultative Meeting (TCM) between African countries, potential donors, international financial institutions, United Nations specialized agencies and African intergovernmental organiza­ tions. Furthermore, the Technical Meeting of Broadcasting Experts on the report of the preparatory assistance project (RAF/81/009), which preceded the sixth Technical Consultative Meeting (TCM) was organized jointly by the International Telecommunication Union (ITU) and the ECA secretariat. 
analysis: The text primarily focuses on the activities and projects undertaken by the ECA secretariat, which are all related to economic development, infrastructure, and international cooperation. The projects mentioned, such as the establishment of a multinational shipping company, the development of transportation projects, and the organization of seminars and meetings, suggest that the main category is likely to be related to economic development, transport, and communication.