Assertion: sewing machine | /r/HasAspect | only one needle
Facets:
value: generally
type: DEGREE
Source sentences:
text: Since a standard sewing machine has only one needle, the operator must pause to re-thread the machine manually for each subsequent color in a multi-color design.
text: Sewing-embroidery machines generally have only one needle and require the user to change thread colors during the embroidery process.