Assertion: windmill | /r/AtLocation | use
Facets:
value: from the ancient times
type: TEMPORAL
Source sentences:
text: Windmill is in use from the ancient times as man was using it since the 1st Century.
text: Windmills were already in use to pump the water out, but in Van de Molens (On mills), he suggested improvements, including the idea that the wheels should move slowly, and a better system for meshing of the gear teeth.