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.
Whether you take essential oils via post-nasal drip or steam, you can use them for sinus headaches, congestion, and a drippy nose, as well as to open up blocked passages and otherwise promote the draining of the mucus clogging up your skull.