Industry, sector and description for Universal Display. Universal Display researches, develops, and sells organic light emitting diode (OLED) technologies and materials for the flat-panel display industry.
The first requirement for all master horizons other than O horizons is that they are composed mostly of mineral material. It is very important to be able to differentiate organic from mineral material. Dark color of the A horizon is due to the mixing of humus with mineral.
When the blood is thicker, it moves sluggishly; there is an increased risk for red cells to adhere to one another and form clots, and for there not to be enough oxygenation in a given time to areas such as the legs or the brain, and to vital organs.