About: http://webisa.webdatacommons.org/417221832

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 semi-hermetic seal 840 of one of the aforementioned materials is desirable for space-critical environments because the seal 840 can be very thin and inexpensive, relative to other sealing techniques, such as welding and soldering.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de