Spooling strategies are described for producing job information that conforms to a hierarchical structure, and then storing the job information in a spool storage. The system and method may further include mapping the announcement information to an alerting pattern, and generating an alerting signal for producing the alerting pattern. The display fixing part 1 comprises a base member 2 having a spherical receiving face 27A. Hydrogen in the oxide semiconductor is attracted to the defect in the insulating film. ; and provides also a process for forming multi-layered coating, which comprises applying onto a metallic object cationic electropaint, above-described water based paint composition, water based intermediate coating and top coating, by the order stated.