The difficulties in passing through a narrow entrance either when entering or leaving harbour arise from the desirability of approaching on a steady course at right-angles to the line joining the two jetties, or from the presence of a cross wind or stream.
Ubunzima bokudlula kwisango elimxinwa xa inqanawa ingena okanye xa iphuma, benziwa kukunqwenela ukungena nge-engile engqamene neebhlorho ezimbini, ukungena kukho umoya ovela ecaleni okanye umsinga.