Oil spot definition

Oil spot

1) Carport stain 2) Driveway blemish 3) Driveway blotch 4) Garage floor feature 5) Garage floor sight 6) Garage floor stain 7) Garage smudge 8) Parking garage stain 9) Slick 10) Stain on a garage floor
Found on https://www.crosswordclues.com/clue/oil-spot

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