airflow measuring unit
21Tanning lamp — Tanning lamps (sometimes called tanning bulbs in the United States or tanning tubes in Europe) are the part of a tanning bed, booth or other tanning device which produces ultraviolet light responsible for tanning. While there are literally… …
22Artillery — For other uses of the term, see Artillery (disambiguation). Warfare Military history Eras Prehistoric Ancient …
23Solar updraft tower — This article is about a type of power plant. For other uses, see Solar tower (disambiguation). Schematic presentation of a Solar updraft tower The solar updraft tower is a renewable energy power plant. It combines the chimney effect, the… …
24phonetics — /feuh net iks, foh /, n. (used with a sing. v.) 1. the science or study of speech sounds and their production, transmission, and reception, and their analysis, classification, and transcription. Cf. acoustic phonetics, articulatory phonetics,… …
25Chernobyl disaster — This article is about the 1986 nuclear plant accident in Ukraine. For other uses, see Chernobyl (disambiguation). Chernobyl disaster …
26Mechanical ventilation — In architecture and climate control, mechanical or forced ventilation is the use of powered equipment, e.g. fans and blowers, to move air  see ventilation (architecture). Mechanical ventilation Intervention …
27North American XB-70 Valkyrie — XB 70 Valkyrie X …
28Bell Boeing V-22 Osprey — V 22 redirects here. For other uses, see V22 (disambiguation). V 22 Osprey …
29Long Beach, California — This article is about the city of Long Beach, California. For its metropolitan area, see Los Angeles metropolitan area. Long Beach   City   Images from top, left …
30Air safety — is a term encompassing the theory, investigation and categorization of flight failures, and the prevention of such failures through regulation, education and training. It can also be applied in the context of campaigns that inform the public as… …
