About: http://webisa.webdatacommons.org/66448088

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	Supplemental services, including transportation, storage, maintenance, vehicle preparation security services, travel expenses, portable restroom facilities, and special media advertising are negotiated and billed separately.
http://www.w3.org/ns/prov#wasQuotedFrom	gsa.gov