A highly reliable trimming circuit is provided. The silicone resin composition is suitably used in backlights for liquid crystal displays, traffic lights, outdoor big displays, advertisement sign boards, and the like. The bag generally includes a generally planar panel of flexible material and at least one water chamber disposed on the material layer with a fluid inlet for the selective introduction of fill material, generally in the field. The heat exchanger is disposed within the condenser and is in fluid communication with an engine for circulating an engine oil therebetween. A plurality of control actuators is simultaneously activated to deploy the discrete control actuator actions that place mass at predetermined locations within the rotating system. Copies of this patent with color drawing will be provided by the Patent and Trademark Office upon request and payment of the necessary fee.