1 In NDA, however, the floor of Class A high-level airspace varies between FL230, in what is referred to as the Northern Control Area, and FL270, in what is referred to as the Arctic Control Areas.  Only IFR flight is permitted in Class A airspace, and all aircraft are therefore subject to ATC clearances and instructions.
dvmt Updated: 07/12/2017 by Computer Hope Short for Dynamic Video Memory Technology, DVMT is an architecture that offers breakthrough performance for the motherboard through efficient memory utilization and Direct AGP. Related pages Computer motherboard help and support.
A DVT is a blood clot that forms in a deep leg vein. Veins are blood vessels that take blood towards the heart. Deep leg veins are the larger veins that go through the muscles of the calf and thighs. They are not the veins that you can see just below the skin, neither are they the same as varicose veins.