air existing, present-day of air, wind - air shifting (from time to time with substantial pressure) from a region of high strain to a place of very low pressure; "trees bent under the fierce winds"; "when there is absolutely no wind, row"; "the radioactivity was currently being swept upwards https://localized-thermal-test-sy02356.blogpostie.com/57060739/thermal-shock-chamber-solutions-an-overview