The development and application of electronic technology to increase health, safety and productivity in the South African coal mining industry

South Africa's coal mining industry is of vital economical importance. This paper describes some of the major electronic achievements within that industry over the past ten to fifteen years. Basic design criteria formulated for systems to be used underground is discussed. The experience gained with the implementation of the systems, especially the human factor are examined. Future directions to be followed by some of the research programs are presented.