A coupling wedge for use with a ultrasounic phased array inspection system has a body with a bottom side configured to face the object to be tested and a front side generally oriented at an angle to the bottom side and a top side to be coupled with a phased array probe. Fluid transfer device used for assisting in the pumping of blood through a patient’s heart for reducing the load on the patient’s heart, sheer forces and blood pressure on the inner walls of the heart are reduced. Each of the extracted tokens represents a portion of the input metadata. , detecting an attempt of one or more participants to interrupt another participant, or detecting a request initiated by one or more participants to interrupt another participant, a dominant source is selected from among the ones of the participants attemptingrequesting to speak based at least in part upon a determined hierarchal order of those participants attemptingrequesting to speak.