About: http://webisa.webdatacommons.org/101990989

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	obstructions, such as utility lines, other equipment, other workers, and falling objects.???Studies instructions, plans, and diagrams to establish work requirements.General/Other...
http://www.w3.org/ns/prov#wasQuotedFrom	simplyhired.com