About: http://webisa.webdatacommons.org/46873687

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	Suitable orientation means are provided to ensure proper alignment of the base and diaphragm such as indexing notches 22a and 24a in diaphragm 22 and base 24, respectively.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es