vacuum tester
21metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
22Space Electronics — LLC is a company based in Connecticut that specializes in mass properties measurement instruments.HistoryDick Boynton founded Space Electronics in 1959 while attending graduate courses at Yale University. The company existed in Dick s basement… …
23Station spatiale internationale — Pour les articles homonymes, voir ISS. Station spatiale internationale Assemblage …
24Wave–particle duality — Quantum mechanics Uncertainty principle …
25Test and tagging — is a generic name given to the process of visually inspecting and electrically testing in service electrical equipment for personal use and/or safety. Colloquially, it is also referred to as; tagging, test tag, test and tag, electrical tagging,… …
26Buran program — This article is about the Buran space program in general. For specific information about the spacecraft, see Buran (spacecraft). For other uses, see Buran (disambiguation). Buran, 1989. The Buran (Russian: Буран, IPA:  …
27Reginald Fessenden — Infobox Celebrity name = Reginald Fessenden caption = The Father of Radio Broadcasting birth date = birth date|1866|10|6|mf=y birth place = East Bolton, Quebec, Canada death date = death date and age|1932|7|22|1866|10|6|mf=y death place = Bermuda …
28Coating — is a covering that is applied to the surface of an object, usually referred to as the substrate. In many cases coatings are applied to improve surface properties of the substrate, such as appearance, adhesion, wetability, corrosion resistance,… …
29RooTooth — Developed by RoboDynamics, RooTooth is a Class 1 Bluetooth module that is designed specifically for the iRobot s Roomba robotic vacuum cleaner. RooTooth simply plugs into Roomba s expansion port and bluetooth enables the vacuum cleaner and takes… …
30Container compression test — The container compression test measures the compressive strength of packages such as boxes, drums, and cans. It usually provides a plot of deformation vs compressive force. It is commonly used to evaluate shipping containers made of corrugated… …
