induction welding
31Brazing — This article is about the metal joining process. For the cooking technique, see braising. Brazing practice Brazing is a metal joining process whereby a filler metal is heated above and distributed between two or more close fitting parts by… …
32Blacksmith — For other uses, see Blacksmith (disambiguation). Blacksmith A blacksmith at work Occupation …
33Électron — Traduction à relire Electron → …
34Tube bending — Bent tubing Shown is a trombone, it displays some U bends Tub …
35Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …
36Émetteur à étincelles — Un émetteur à étincelles désigné aussi comme émetteur à ondes amorties est un dispositif destiné à produire des ondes électromagnétiques amorties de classe B composées de séries successives d oscillations dont l amplitude, après avoir atteint un… …
37Electric arc furnace — An electric arc furnace (EAF) is a furnace that heats charged material by means of an electric arc. Arc furnaces range in size from small units of approximately one ton capacity (used in foundries for producing cast iron products) up to about 400 …
38Nickel titanium — Nickel titanium, also known as nitinol, is a metal alloy of nickel and titanium, where the two elements are present in roughly equal atomic percentages. Nitinol alloys exhibit two closely related and unique properties: shape memory and… …
39Rotary phase converter — DefinitionA rotary phase converter, abbreviated RPC, is a Rotary converter that produces Three phase electric power from Single phase electric power. This allows three phase loads to run using generator or utility supplied single phase electric… …
40Transformer types — Circuit symbols Transformer with two windings and iron core. Step down or step up transformer. The symbol shows which winding has more turns, but not usually the …
