About: http://webisa.webdatacommons.org/439947076

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	This is done by holding the block over another cloth in order to catch buttons and other small objects that have come loose.
http://www.w3.org/ns/prov#wasQuotedFrom	si.edu