About: http://webisa.webdatacommons.org/180239555

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	External alkalies are such things as deicing salts, fertilizers or other chemicals placed on the lawn or ground next to the concrete, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es