PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The lids have ribs, they come in a few sizes, easy to screw to the servo horns as they have a indentation on the center of the lid, and if you need more traction you can use a wide rubberband (from the office supplies isle) as a tire.Here is a picture:
http://www.w3.org/ns/prov#wasQuotedFrom
  • societyofrobots.com