Because of the large number of machines and units that had to be supervised there were of course an enormous number of measuring points, the data from which had to be continuously recorded.
Ngenxa yenani elikhulu loomatshini kwakunye nezinto ekufuneka ukuba zijongwe kuye kwakho ngokuqinisekileyo inani elikhulu leencam zokulinganisa, ulwazi olufuneka lubhalwe phantsi.