The procedure known to land surveyors as resection was one obviously useful for finding a ship's position precisely when survey was being made (as was so often still necessary) from the sea.
Inkqubo-bume eyaziwa ngoonocanda ngokuba kukususa inxenye, yayiyeyona iluncedo ekufumaneni indawo ebikuyo inqanawa ngexa ucando belusenziwa njengoko bekusoloko kunyanzelekile elwandle.