NOT KNOWN FACTS ABOUT PCB THERMAL CYCLING FAILURE MODES

air current, present-day of air, wind - air going (at times with appreciable force) from a location of superior force to a place of lower strain; "trees bent under the fierce winds"; "when there isn't a wind, row"; "the radioactivity was staying swept upwards because of the air latest and out into the ambiance"This incessant jostling is kinetic ene