Assertion: windmill's sail | /r/HasProperty | efficient
Facets:
value: despite the absence of sailcloth
type: OTHER
value: remarkably
type: DEGREE
Source sentences:
text: (And based on visual evidence from the film, the sails were remarkably efficient, managing to keep the mill turning at all times of the day or night, despite the absence of sailcloth, and scarcely needing any wind at all to turn!)