A method and system for video encoding assets for swivel360-degree spinners is disclosed. Methods of treating a condition mediated by a loss or deficiency of interneuron function using the purified or enriched population of immature interneuron progenitor cells are also disclosed. The permission status information indicates whether the subject trying to access the resources has the predetermined permission to access the respective resources. If so, the rule engine may enable truth maintenance for the object type. Domain controllers receive the multiple policies and apply the policies to the appropriate target nodes. They are constituted by a disc-shaped inner member having a pair of ball holding seats on which the balls slide in contact therewith and an annular outer member covering an outer circumferential surface of the inner member, and the outer member and inner member are molded from resin materials having different flexural modulo.