About: http://webisa.webdatacommons.org/145988010

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	Older tractors without cabs frequently produce sound levels that allow less than eight hours of exposure before noise induced hearing loss is a problem.
http://www.w3.org/ns/prov#wasQuotedFrom	nasdonline.org