A method and system for training a patient to improve swallowing, for retraining jaw muscles and for holding or keeping the jaw in a correct bite position. According to this powder compacting method, even when the powder material has a non-uniform fill density distribution, a compact with a uniform density distribution can be obtained at a high productivity. The electrode structure may be used in semiconductor devices such as field effect transistors or diodes. Growth on porous layer produces semiconductor material with reduced stress and better characteristics than with the same material grown on non-porous layers and substrates. A second iteration, for identifying preferred sets of views for measurements of a portion of a body structure, based on models of a location of a pathology that has been identified, makes it possible, in effect, to zoom in on a suspected pathology. Simultaneously, in ports of the face of a standing gap formed thin along the outsides of the above intermittent teeth, the tube film is flared by vacuum suction force, and from the section of the tube film cut by forcing a cutting edge in the seal bar into a receiving groove cut in the seal table, the air in the tube film is sucked through the spot closing gap and the receiving groove.