<http://webisa.webdatacommons.org/prov/173457560> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/437758594> . <http://webisa.webdatacommons.org/437758594> <http://www.w3.org/ns/prov#wasQuotedFrom> <hydroponicsonline.com> . <http://webisa.webdatacommons.org/437758594> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/437758594> <http://www.w3.org/ns/prov#value> "I take great care to describe each item, including any flaws, however I may occasionally miss something." .