About: http://webisa.webdatacommons.org/260259055

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	Hits and movements learned with such a warning device need to be learned again without the use of these training aids, or with conventional racquets, bats and other equipment.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com