These are Ras Tanura (about 320 million tons per year), Rotterdam (about 290 million tons per year), Kharg Island in Iran (about 200 million tons per year before the Iraq-Iran war) and Marseilles (a little over 100 million tons per year).
Zibizwa ngokuba zi-RAS TANURA (malunga namakhulu amathathu anamashumi amabini ezigidi zeetoni ngonyaka) IRotterdam (malunga namakhulu amabini anmashumi asithoba ezigidi zeetoni ngonyaka) isiqithi sase khang e-Iraq (malunga namakhulu amabini ezigidi eetoni ngonyaka phambi komlo wase Iraq) ne Marseilles (kancinci ngaphezu kokhulu lezigidi ieetoni ngonyaka).