Many ship-owners in traditional maritime countries, especially United States companies, take advantage of the tax concessions and other advantages offered by the open registry countries in order to improve their profitability.
Abanini zinqanawa abaninzi kumazwe anezithethe zaselwandle ingakumbi imizi- mveliso yase United States ethatha uncedo lwelungelo lwerhafu nolunye uncedo olunikezwe ngamazwe avumelekileyo ukubhalisa ukulungiselela ukuphucula iingenelo.