PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Alkali maintenance chemicals like degreasers, oven cleaners and drain openers contain bases such as sodium hydroxide, potassium hydroxide, sodium metasilicate, trisodium phosphate and ammonium hydroxide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hho4free.com