Assertion: robotic vacuum cleaner | /r/HasProperty | a form of carpet sweeper
Facets:
Source sentences:
text: In the late 1990s and early 2000s, several companies developed robotic vacuum cleaners, a form of carpet sweeper usually equipped with limited suction power.
text: In the late 1990s and early 2000s, several companies developed robotic vacuum cleaners, a form of carpet sweeper usually equipped with limited suction power.