design of welds
41automation — /aw teuh may sheuhn/, n. 1. the technique, method, or system of operating or controlling a process by highly automatic means, as by electronic devices, reducing human intervention to a minimum. 2. a mechanical device, operated electronically,… …
42Printed circuit board — Part of a 1983 Sinclair ZX Spectrum computer board; a populated PCB, showing the conductive traces, vias (the through hole paths to the other surface), and some mounted electrical components A printed circuit board, or PCB, is used to… …
43Pressure vessel — Vertical pressure vessels installed in a structure A pressure vessel is a closed container designed to hold gases or liquids at a pressure substantially different from the ambient pressure. The pressure differential is dangerous and many fatal… …
44Progressive collapse — A building undergoes progressive collapse when a primary structural element fails, resulting in the failure of adjoining structural elements, which in turn causes further structural failure, similar to a house of cards. Contents 1 Timeline of… …
45Bicycle frame — Steel frame of 2000 LeMond Zurich road racing bicycle mounted in a work stand …
46Fatigue (material) — Metal fatigue redirects here. For the video game, see Metal Fatigue (disambiguation). v · d · e Materials failure modes …
47European Pressurized Reactor — The EPR (or US EPR for the United States specific design) is a third generation pressurized water reactor (PWR) design. It has been designed and developed mainly by Framatome (now Areva NP) and Electricité de France (EDF) in France, and Siemens… …
48Eschede train disaster — The Eschede train disaster was one of the world s deadliest high speed train accidents. It occurred on 3 June 1998, near the village of Eschede in the Celle district of Lower Saxony, Germany. The toll of 101 dead and 88 injured surpassed the 1971 …
49Heat exchanger — An interchangeable plate heat exchanger Tubular heat exchan …
50Plymouth Valiant — Infobox Automobile name = Plymouth Valiant manufacturer = Plymouth parent company = Chrysler Corporation production = 1960–1976 class = Compact platform = A body layout = FR layout successor = Plymouth VolareThe Plymouth Valiant is an automobile… …
