Assertion: sewing machine | /r/Desires | the user
Facets:
value: to put the bobbin
type: PURPOSE
value: to change thread colors
type: PURPOSE
Source sentences:
text: Sewing-embroidery machines generally have only one needle and require the user to change thread colors during the embroidery process.
text: Some sewing machines require the user to put the bobbin underneath the needle plate, hold the needle thread, and turn the handwheel until the needle thread “catches” the bobbin thread.