About: http://webisa.webdatacommons.org/449554247

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	Try to hit various trajectories and spins if you already know how or use this opportunity to learn and improve your technique in hitting the different types of spins on the backhand side.
http://www.w3.org/ns/prov#wasQuotedFrom	optimumtennis.net