Assertion: wheel's circumference | /r/HasProperty | outside
Facets:
Source sentences:
text: The wheel is grooved on its outside circumference with three or more V-shaped grooves with transverse cuts at intervals to provide a friction surface for the iron pyrites.
text: The wheel is grooved on its outside circumference with three or more V-shaped grooves with transverse cuts at intervals to provide a friction surface for the iron pyrites.