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.
These are recommended for dryness, crusting, and as an aid to normal nasal function. Saline sprays can also be used to treat nose bleeds. The nose is supposed to moisten inhaled air, helping to maintain a moist environment for the cilia in the sinuses. These cilia are the body's first line of defense against infection.