About: http://webisa.webdatacommons.org/76945342

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	Briefly, the shadow mask 12 is preferably of a frameless, one-piece construction formed from a single sheet of electrically conductive material such as steel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com