Visceral Pleura: Covers the lungs and Parietal Pleura covers the internal surface of the thoracic cavity. There is a potential space between the viscera and parietal pleura, known as the pleural cavity. But is actually all connected, These two parts are continuous with each other at the hilum of each lung.
The right way to uncoil. There is only one correct way to uncoil wire rope. One person must hold the end of the rope while a second person rolls the coil along the floor, backing away. The rope is allowed to uncoil naturally with the lay, without spiraling or twisting.
Coil - bench-testing, baking, etc. I have a sporadic sometimes spark/sometimes no spark issue that seems to point to the coil as the culprit. I have no problem buying a new coil as long as I'm sure that it is the problem. Eliminating all the extraneous factors, disconnecting kill wire circuits, eliminating grounds - completely removing the coil from the machine, what is the best way(s) to bench test the coil to confirm whether or not is good?