About: http://webisa.webdatacommons.org/218333721

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	These pressure pads 14???20 are attached to the inside of the full face mask 4 by any means known in the art, such as hook and loop fasteners, glue, snaps, bonding, VELCRO (hook and loop fasteners), etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca