// This Is the industry that might be unique in Every instance of a category private int _field; // This can be a property that accesses a subject, but as it's visibility // is shielded only subclasses will know about this property // (and through it the sphere) - https://propertyingurugram.in/gurugram-metro-new-company-launched-for-cyber-city-connectivity-rapid-expansion-in-the-pipeline/