A ventilator whose top is shaped like a mushroom and fitted with baffle plates so as to permit the passage of air and prevent the entrance of rain or spray. Located on or above a weather deck to furnish ventilation to compartments below deck.
Isingenisi okanye isikhuphi-moya esinomphezulu umile njengekhowa ezifakelwe ngamacangci engxowa ukuvumela umoya ungene nokuthintela ukungena kwemvula okanye ukutshiza. Esibekwe ngaphezulu okanye kwimo yezulu yomgangatho wenqanawe ukuxhobisa ukungena nokuphuma komoya kwiimpatho ezingaphantsi komgangatho.