testing apparatus
121Wind tunnel — A wind tunnel is a research tool developed to assist with studying the effects of air moving over or around solid objects.Ways that wind speed and flow are measured in wind tunnels: * Threads can be attached to the surface of study objects to… …
122Blood donation — Give blood redirects here. For other uses, see Give blood (disambiguation). Blood donation pictogram A blood donation occurs when a person voluntarily has blood drawn and used for transfusions or made into medications by a process called… …
123Open Field (animal test) — The Open Field Test (OFT) is an experiment used to assay general locomotor activity levels and anxiety in rodents in scientific research.[1] Experimental Design A Circular Open Field Developed by Calvin S. Hall to test emotionality of rodents …
124Supermarine Spitfire — Infobox Aircraft name =Spitfire type =Fighter manufacturer =Supermarine caption =The distinctive silhouette of a typical Spitfire shows elliptical wings. (P7350, a Mk IIa, was first delivered to 266 Squadron on 6 September 1940.) designer =R. J.… …
125Underwriters Laboratories — Inc. The UL Mark Abbreviation UL Formation 1894 (1894) …
126Diving regulator — and Octopus Other names Demand valve Uses Reduces pressurized breathing gas to ambient pressure and delivers it to the diver Inventor Manuel Théodore Guillaumet (1838), Benoît Rouquayrol (1860) …
127Morgan Hamm — Full name Morgan Carl Hamm Country represented  United States Born September 24, 1982 (198 …
128Bob Carver — Robert W. (Bob) Carver is an American designer of audio equipment based in the Pacific Northwest.Educated as a physicist and engineer, he found an interest in audio equipment at a very young age. He applied his talent to produce numerous… …
