A framework fitted somewhat below the deck line on narrow, high-speed vessels with large screws so designed as to overhang and thus protect, the tips of the propeller blades.
Isikhokelo esifakelwe ngaphantsi komgca womgangatho kwizikhephe ezimxinwa nezinesantya esiphezulu, esineziqinisi ezikhulu ezilungiselelwe ukuxhoma ngokugqithisela kwanokukhusela iincam zeebleyidi zesiqhubi-phambili.