About: http://webisa.webdatacommons.org/449477448

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	Preferably the overcap and actuator button are molded of polyethylene or similar high strength plastic and the particular device illustrated is especially designed to be formed of such material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com