{ "$schema": "../icon.schema.json", "contributors": [ "karsa-mistmere" ], "use-cases": [ "Representing oxygen in scientific contexts", "Labeling blood type O", "Indicating an off state", "Marking a zero-like option or value" ], "tags": [ "$group:letter", "uppercase", "oxygen", "chemistry", "blood type", "off", "zero", "marker" ], "categories": [ "letters-digits" ] }