PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many applications other than hull or structural components which can lead to catastropic failure could be served well with non marine grade plywoods..I personally would never advocate use of anything but marine grade for parts that will make the difference between being ON the water instead of IN the water.
http://www.w3.org/ns/prov#wasQuotedFrom
  • iboats.com