Assertion: sewing machine's foot | /r/HasProperty | available
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Specialized feet are available and, usually, have a larger opening than those found on a regular darning foot.
text: I believe that feet engineered specifically for your make and model of sewing machine are better than the “generic feet” which are sometimes available for use on a multitude of similar machines.