About: http://webisa.webdatacommons.org/140766248

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 plug 54' is shown in FIG. 2 in conjunction with valve 55B and fits within nipple 54 to maintain the housing 53 and associated members free from dirt or other obstructions during shipment or storage.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com