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Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
It was the first Roomba to introduce Genius Technology and PrecisionVision Navigation to avoid small obstacles that were previously problem-causers, like phone chargers and pet waste.
The j7+ uses PrecisionVision Navigation tech — a combination of new sensors and upgraded recognition software — that helps it to avoid obstacles that are typically blind spots.
Source: https://mashable.com/roundup/best-self-emptying-robot-vacuums