Feature of a carpenter's level

This time, we got "Feature of a carpenter's level" crossword puzzle clue. Next we will look for a few extra hints for Feature of a carpenter's level, 9 letters answer". Finally, using all gathered information, we will solve Feature of a carpenter's level crossword definition and get the correct entry.
Similar crossword puzzle definitions: 

Potential lifesaver for a drowning person;
Jacuzzi sight;
Champagne feature;

Try this 9 letters answer: AIRBUBBLE


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