Task: Translation
Input (Xhosa): Ukuqukuqela kwesixokelelwano sokuphatha okuloluhlobo lusoloko lubaleka kwicala elinye ukwenzela ukuba inqanawa okanye ubambo olunye lukhululwe phambili kuqalwe ukuthuliswa umthwalo
Output (English): True continuous-flow handling systems, however, always run in the one direction, so that the ship, or at least one hold, would have to be discharged before a start could be made with loading.