Furthermore, in a swell a tug cannot keep the towrope sufficiently taut to take advantage of any extra force obtainable as the vessel rises and falls on the waves.
Ngapha koko, ekunyukeni nasekwehleni kolwandle udokolwana akanakugcina intsoutela yokutsala iqine ngokwaneleyo ukwenza uncedo lwamandla engezelelweyo anokufumaneka iyengokuba inqanawa inyuka isehla emazeni.