At certain exposed berths, usually where the shore bollards or dolphins may not be strong enough to hold a ship in high winds, on-fast or holding-on moorings are provided.
Kwezinye iindawo apho imisa khona inqanawa apho intsika zonxweme okanye isakhiwo esikhusela ibhlorho azinakuba nomndla awuxelayo okubamba inqanawa kwimimoya emikhulu, kwizibopheleli ezibambayo ezikhona.