An associate or bachelor's degree is typically required to pursue employment as a diagnostic medical sonographer. Students also have the option to graduate with a degree in a related field, pursue a certificate program in diagnostic medical sonography and then receive on-the-job training.nly a few states require sonographers to be licensed. While state requirements can vary, a professional certification from a national credentialing organization is often required to become licensed.
In computing, the Post Office Protocol (POP) is an application-layer Internet standard protocol used by local e-mail clients to retrieve e-mail from a remote server over a TCP/IP connection. Reply Judy Ashby
the 3/2 directional poppet valve, the function of a 4/2 direc-tional poppet valve can be realized. Function of the Plus-1-Plate â Starting position: The main valve is not operated. Spring (5) holds closing element (4) on seat (11). Port P is closed, and A connected to T. In addition, a pilot line connects A to the large area of