air present, present of air, wind - air transferring (in some cases with considerable power) from a place of substantial force to a region of reduced strain; "trees bent under the fierce winds"; "when there is no wind, row"; "the radioactivity was being swept upwards by the air present-day https://thermal-shock-testing87531.boyblogguide.com/35107442/semiconductor-equipment-thermal-cycling-for-dummies