About: http://webisa.webdatacommons.org/222523813

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	It says welding produces extremely toxic gases such as carbon monoxide, nitrogen oxides and ozone.
http://www.w3.org/ns/prov#wasQuotedFrom	jeepforum.com