air present-day, present-day of air, wind - air going (at times with appreciable pressure) from a place of high strain to a region of small tension; "trees bent underneath the intense winds"; "when there's no wind, row"; "the radioactivity was currently being swept upwards with the air present-day and https://thermal-shock-testing-app80123.kylieblog.com/36314436/detailed-notes-on-localized-thermal-test-systems