About: http://webisa.webdatacommons.org/387664290

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	He says that pollutants such as dust, VOC???s (volatile organic compounds), bacteria and other harmful organisms and vapours can all produce adverse effects.
http://www.w3.org/ns/prov#wasQuotedFrom	officeplantssouthafrica.co.za