About: http://webisa.webdatacommons.org/273833130

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	Drills with a percussive action (hammer drills) are mostly used in hard materials such as masonry (brick, concrete and stone) or rock.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org