To become a CMCA, a candidate must successfully complete a 16-hour course and pass the National Certification Examination. In addition, CMCA applicants must have a certain number of âpointsâ which can be obtained through attending CAI and other industry events, serving on a CAI â Illinois Committee, and participating on other levels.
in: Potoo. The potoos (POH-too) are a family, Nyctibiidae of Strisorean birds related to the nightjars, Oilbird, frogmouths and the swifts, hummingbirds and owlet-nightjars. The seven extant species of potoos all belong to the genus Nyctibius (NIC-tih-BYE-us).
Potch is a term used to describe common opal found on the opal fields. It is generally opaque and can be milky white, pale to dark grey, bluish grey, or black. Magpie potch is made up of black and white patches. A clear amber variety of potch has been found at Lightning Ridge.