Yellow phlegm is normally a sign of an infection, or a case of the common cold. Greenish or brownish phlegm is nearly always a sign of infection. Greenish or rusty phlegm or phlegm with rusty spots can also be a sign of pneumonia. Coughing up brown phlegm is also a common symptom of excessive smoking.
A flowboard is a variation on a skateboard, combining aspects of surfing, skating and snowboarding.
Definition of panelboard. 1 : a drawing board with an adjustable outside frame that is forced over paper so as to hold and strain it. 2 : a strong rigid paperboard used for paneling in automobile bodies and in building construction.