The present invention discloses a silicone rubber with improved adhesive properties; a composite structure in which a base member formed from a synthetic resin or metal is bonded firmly and directly to silicone rubber; a denture in which a biocompatible silicone rubber is firmly bonded to a section of a denture bed that contacts the body; and a method for making the denture. A positioning system is coupled with the coordinates system of the 3-dimensional image data set. The controller, when executing the module, is configured to determine an amount of available resources for use by a plurality of maintenance tasks in a computing system and divide the available resources between the plurality of maintenance tasks based on a need for each maintenance task. The glow blocking structure includes an opaque material formed in the trench and one or more layers of light absorbing material overlying the sourcedrain region and the opaque material. Additionally, the containers may be formed with an inclined sidewall, whereby to permit a plurality of open empty containers to be nested one inside the other.