In addition the service lives of the various machines should be matched to each other in such a way that they can all be replaced together when the ship is in the hands of the ship repairer.
Ukongeza ubomi bokusebenza beematshini ezahlukeneyo mabulinganiswe enye kwenye ngendlela enokuthi yonke iphinde ibekwe ndawonye xa inqanawa isezandleni zomkhandi nqanawa.