Task: Translation
Input (English): In practice a heavy ship can usually proceed at about 7 knots with a Dockyard screw tug towing ahead.
Output (Xhosa): Okuqhelekileyo kukuba inqanawa enzima inokuhamba ngesantya esinemilinganiso eyi-7 ngelixa itsalwa ngudokolwane wasedokisini.