Aortic valve stenosis is a chronic process related to a progressive mineralization of the aortic root and valve cusps. The lid is moveable about a hinged joint between open and closed positions in which a surface portion of the body portion is respectively uncovered and covered by the lid. The movable case is slideably connected with the stable case by the connecting elements. one such technique may be utilized to perform searches of items based on a common meaning of the items as indicated by keywords of the items. Once activated, the software becomes fully operational, and the user is allowed complete access to its functions.