About: http://webisa.webdatacommons.org/314643111

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	A number of other detailed requirements are included in the regulations, such as the positioning of sight gauges, fill points, vent pipes and other ancillary equipment.
http://www.w3.org/ns/prov#wasQuotedFrom	draytontank.co.uk