PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Since pipettes of this type are intended for taking various samples, such as very active chemical products, pathological samples of serum or urine and possibly radio-active liquid materials, it is very desirable to equip pipettes of this type with a device for ejecting the tip, which makes it possible to eliminate any direct contact of the operator's hand with said tip.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com