<http://schema.org/keywords>
"ship, sailboat, boat, yacht, submarine, Schiff, Segelboot, Boot, Yacht, bateau, voilier, bateau, yacht, sous-marin, navio, veleiro, barco, iate, submarino, transportation"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bibliocad.com/library/fishing-ship_30655>