What is peripheral vascular disease (PVD)?PVD is a condition that causes decreased blood flow to your limbs because of blocked blood vessels. The blockage is usually caused by material such as cholesterol or a blood clot that sticks to the blood vessels and makes them narrow....
What colors does the Oura Ring come in? Oura The Oura Ring 4 is available in black, silver, Stealth, brushed silver, gold and rose gold. The black and Stealth rings have a physical vapor deposition (PVD) coating on the outer shell, while the other colors have a diamond-like carbon (DL...
Flexible printed circuits are made of a variety of materials.Copperis one of the primary materials used in flexible printed circuits as a conductor material. Other conductors that are employed include silver ink, Constantan°, andaluminum. Another material used in these specific circuits is polyimide...