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.
A breadboard, sometimes called a proto-board, is a reusable platform for temporarily built electronic circuits. 3 How A Breadboard Works â¢Electric component leads and the wire used to connect them are inserted into holes that are arranged in a grid pattern on the surface of the breadboard. breadboard, sometimes called a proto-board, is a reusable platform for temporarily built electronic circuits. 3 How A Breadboard Works â¢Electric component leads and the wire used to connect them are inserted into holes that are arranged in a grid pattern on the surface of the breadboard.