About: http://webisa.webdatacommons.org/453454023

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	But these machines can release harmful gases into rinks, including nitrogen dioxide, carbon monoxide and carbon dioxide, the effect of which is worsened by poor ventilation, warns the Environmental Protection Agency.
http://www.w3.org/ns/prov#wasQuotedFrom	tampabay.com