In a mist or amid the many difficulties on a small boat at sea, you must be supremely confident of your calculations and assumptions, all of which the Bigsworth board eliminates by virtually making the process a mechanical one.
Enkungwini okanye phakathi kwayo buninzi ubunzima obubakhona kwiphenyane elincinci elwandle, kufuneka uzityandigila ngokugqithisileyo ngobalo kunye nezenziso, konke oku ngexabiso elikhulu ibhodi ishenxisa ngenyani ngokwenza inkqubo enye yomatshini.