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.
3. Salt water (saline) nose rinsing. A salt water rinse for the nose - saline nasal rinse - is an effective way to ease nasal congestion and also helps clear out viruses and bacteria from the nose. Solutions can be bought ready made from pharmacies - or mixed up at home. Allow a pint of boiled water to cool down until it is warm.