If speed is increased and the depth and width of the canal are little more than the draught and beam of the ship, the effects are noticeable a long way ahead and astern of the ship.
Ukuba isantya siphezulu, kwaye ububanzi nobunzulu bomjelo buncinane ngaphezulu kubungakanani bokutshona kwenqanawa emanzini nomtha wayo, ifuthe liyabonakala ukude ngaphambili nangemva.