Assertion: drop bobbin | /r/CapableOf | fit into built-in bobbin case
Facets:
Source sentences:
text: There are many makes and models of sewing machines, but only two types of bobbins: drop-in bobbins that fit into a built-in bobbin case and load from the top, and bobbins that fit into a removable bobbin case that’s inserted into the machine from the front or the side.