Task: Translation
Input (Xhosa): Amavili abamba angenakuphikisana lenkulungwana yokugqibela ithatha indawo ikwenzela ulwandlekazi ngaphezu kokulungele isikrufu sesivingco.
Output (English): The paddlewheel held undisputed sway during the first half of the last century, However, it was superseded for ocean work by the more convenient screw propeller.