vibration-testing machine
21Human factors — For other uses, see The Human Factor (disambiguation). Research subject in a human fatigue study. Human factors science or human factors technologies is a multidisciplinary field incorporating contributions from psychology, engineering,… …
22Renault UE Chenillette — Infobox Weapon name= Renault UE Chenillette caption=Preserved UE 2 at the Musée des Blindés origin=France type=Prime mover is vehicle=yes service= used by=flagicon|France France flagicon|Nazi Germany Nazi Germany flagicon|Romania Romania wars=… …
23AH-56 Cheyenne — Infobox Aircraft name= AH 56 Cheyenne caption= AH 56 Cheyenne during testing type= Attack helicopter manufacturer= Lockheed designer= first flight= 21 September 1967 introduced= retired= status= Canceled primary user= more users= produced= number …
24ship — shipless, adj. shiplessly, adv. /ship/, n., v., shipped, shipping. n. 1. a vessel, esp. a large oceangoing one propelled by sails or engines. 2. Naut. a. a sailing vessel square rigged on all of three or more masts, having jibs, staysails, and a… …
25Lockheed P-38 Lightning — P 38 redirects here. For other uses, see P 38 (disambiguation). P 38 Lightning P 38H 5 LO, AAF Ser. No. 4 …
26Data mining — Not to be confused with analytics, information extraction, or data analysis. Data mining (the analysis step of the knowledge discovery in databases process,[1] or KDD), a relatively young and interdisciplinary field of computer science[2][3] is… …
27wood — wood1 woodless, adj. /wood/, n. 1. the hard, fibrous substance composing most of the stem and branches of a tree or shrub, and lying beneath the bark; the xylem. 2. the trunks or main stems of trees as suitable for architectural and other… …
28Wood — /wood/, n. 1. Grant, 1892 1942, U.S. painter. 2. Leonard, 1860 1927, U.S. military doctor and political administrator. * * * I Hard, fibrous material formed by the accumulation of secondary xylem produced by the vascular cambium. It is the… …
29ultrasonics — /ul treuh son iks/, n. (used with a sing. v.) the branch of science that deals with the effects of sound waves above human perception. [1930 35; see ULTRASONIC, ICS] * * * Vibrational or stress waves in elastic media that have a frequency above… …
30CANT Z.1018 — infobox Aircraft name =Z.1018 Leone type =Medium bomber manufacturer =CRDA caption = designer = Filippo Zappata first flight = 9 October 1939 introduced = retired = status = primary user = Regia Aeronautica more users = produced = number built =… …
