air present-day, existing of air, wind - air shifting (at times with substantial drive) from a region of high stress to an area of small force; "trees bent beneath the fierce winds"; "when there isn't any wind, row"; "the radioactivity was becoming swept upwards by the air current and https://pcbthermalcyclingfailurem45678.blazingblog.com/35703673/5-simple-techniques-for-difference-between-thermal-shock-and-cycling