About: http://webisa.webdatacommons.org/162641939

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	Two drum frequencies compensate for changing soil types and conditions, and there is an optional five-frequency feature.
http://www.w3.org/ns/prov#wasQuotedFrom	forconstructionpros.com