About: http://webisa.webdatacommons.org/44785053

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	being formed with integral panels and legs. The units are formed by rotational casting to be hollow and to be filled with sand or other ballast to resist tipping over.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com