About: http://webisa.webdatacommons.org/121030263

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	Still, various kinds of finishes of the top surface of the modules can be utilized, preferably non-skid patterns created by a series of grooves and bumps.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com