A container for packaging items such as semiconductor wafers has a restraining portion with a changeable dimension at an open end that facilitates using conventional loading techniques while also more securely containing the items to avoid undesirable movement of the items in the container. More specifically, in an application configured to edit documents created with the eXtensible Markup Language XML, the occurrence of an XML-related action causes the event notification message to be issued. A receiving operation receives specification of information consumed by a service implementation of the service model. By performing an addition or subtraction between a signal derived by shifting the electric phase of one of the received A. Outlets are spaced circumferentially around the case to return the cooling fluid to the medium supply. The composition is used in conjunction with a hard plastic scraper or soft cloth or other physical scouring device with a harness of no more than 2.