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
POST INDICATOR VALVES The Post Indicator Valve or PIV, comes in several types. The PIV is used when the main valve body in not visible (underground, behind/other side of wall). These valves are typically used for isolating sections of piping or hydrants. Yet they can also be used for sprinkler risers. What makes these valves unique is the window.