Analog RGB signals carry video information for the three primary video colors on separate signals, one for each color. Formats that use analog waveforms for RGB signals in home entertainment systems include component video and video graphics array.
So to keep your nasal passages moist, you can: 1  Use a humidifier or vaporizer. 2  Take long showers or -- very carefully -- breathe in steam from a pot on the stove.
Use a warm compress. A warm compress may help unclog a stuffy nose by opening the nasal passages from the outside. To make a warm compress, first soak a towel in warm water. Squeeze the water out of the towel, then fold it and place it over your nose and forehead.