Since every compartment in a ship is given a marking by the 1950 system, it is both convenient and desirable to refer to many compartments and fittings by the deck number and section letter rather than by an arbitrary number/
Kuba zenke ikhompatimente enqanaweni zinikwe iimpawu ngokwendlela ka 1950, kuluncedo kwenonqweno ukubiza iikhompatimente ezininzyl anezifakelo nyemanani emgangatho nonobumba becandelo nangamaneni angenantsingiselo.