About: http://webisa.webdatacommons.org/29432924

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	On a wall or other panel next to the surface you want to test, place strips of painter's tape every 20 cm, starting from the floor and going up to 100 cm.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencebuddies.org