air traffic control is provided by air traffic controllers with respective ratings. air traffic service is a complex activity, comprising: provision of specific flight information to flight crews on the radio; air traffic advisory service; air traffic control; alerting service. beginning from (less than...
air traffic control is provided by air traffic controllers with respective ratings. air traffic service is a complex activity, comprising: provision of specific flight information to flight crews on the radio; air traffic advisory service; air traffic control; alerting service. beginning from (less than...
progress significant safety progress has been made over the past decade, in south africa's mining sector. between 1993 and 2016, the number of fatalities across the mining industry declined by around 88%, while fatalities as a result of fall of ground incidents dropped by 92% over the same period. other...
progress significant safety progress has been made over the past decade, in south africa's mining sector. between 1993 and 2016, the number of fatalities across the mining industry declined by around 88%, while fatalities as a result of fall of ground incidents dropped by 92% over the same period. other...