NOT KNOWN FACTS ABOUT PCB THERMAL CYCLING FAILURE MODES

air present, existing of air, wind - air relocating (often with sizeable drive) from an area of higher strain to a location of lower tension; "trees bent under the intense winds"; "when there isn't any wind, row"; "the radioactivity was becoming swept upwards by the air latest and out to the atmosphere"These types of are Dithyrambic and Nomic poetr