About: http://webisa.webdatacommons.org/238121537

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	Before work is begun in the vicinity of vehicular or pedestrian traffic which may endanger employees, warning signs and/or flags or other traffic control devices must be placed conspicuously to alert and channel approaching traffic.
http://www.w3.org/ns/prov#wasQuotedFrom	safetyinfo.com