([lemma=be] [□=□])? □
([lemma=be] [word=□])? □
([lemma=be] [lemma=□])? □
Therefore the principal activities are teaching and advising about GIS and Remote Sensing . The program was so successful that a second grant was secured and this summer ( 1997 ) two sessions are being held on campus ; an advanced program for the original participants and an introductory course for a new set of teachers . The test covered cover issues such as the practical problems of implementing and running a GIS in South Africa and then , their own experiences in the firms . Most of the GIS users are located in Pretoria , as Pretoria is the seat of government and so most of the government departments and parastatals are based there . The areas of research activity were selected to take advantage of the complementary strengths of the participating institutions and reflect faculty research interests and institutional commitment , an essential aspect of sustainability .