About: http://webisa.webdatacommons.org/343279253

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	An upper pressure plate 18 may be secured to each of the support rods 16A-D by conventional mounting means such as nuts and washers, welds and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au