About: http://webisa.webdatacommons.org/61813650

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	The gas can enter through cracks in the foundation floor and walls, drains, sumps, joints or other openings.
http://www.w3.org/ns/prov#wasQuotedFrom	greenandhealthy.info