About: http://webisa.webdatacommons.org/429906286

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, beads 16 are coated or impregnated with a suitable lubricant, such as Teflon or silicone, so that the coefficient of friction is minimized between contiguous beads.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk