{"@context":"https://schema.org","@type":"Class","@id":"https://schema.org/Mass","rdfs:label":"Mass","rdfs:comment":"Properties that take Mass as values are of the form '<Number> <Mass unit of measure>'. E.g., '7 kg'.","rdfs:subClassOf":[{"@id":"https://schema.org/Quantity"}],"schema:properties":[],"schema:subTypes":[]}