Assertion: synthetic sponge | /r/HasProperty | invented
Facets:
Source sentences:
text: Until synthetic sponges were invented, they were also used as cleaning tools, for painting, and as contraceptives.
text: Until synthetic sponges were invented, they were also used as cleaning tools, for painting, and as contraceptives.
text: Until synthetic sponges were invented, they were also used as cleaning tools, for painting, and as contraceptives.