Assertion: sewing machine's motor | /r/HasProperty | introduced into the casing
Facets:
value: gradually
type: MANNER
Source sentences:
text: At first, the electric machines were standard machines with a motor strapped on the side, but as more homes gained power, they became more popular and the motor was gradually introduced into the casing.
text: At first the electric machines were standard machines with a motor strapped on the side, but as more homes gained power, they became more popular and the motor was gradually introduced into the casing.