interrupter unit
21Electrical bonding — is the practice of intentionally electrically connecting all metallic non current carrying items in a room or building as protection from electric shock. If a failure of electrical insulation occurs, all metal objects in the room will have the… …
22Royal Aircraft Factory B.E.12 — Infobox Aircraft name = B.E.12 type = General purpose aircraft/Fighter manufacturer = Royal Aircraft Factory, Various caption = An early production B.E.12 designer = first flight = 28 July 1915 introduced = 1st August 1916 retired = status =… …
23Contrôle de vitesse par balises — This article is about the French railway safety system KVB. For other uses, see KVB (disambiguation). KVB or Contrôle de Vitesse par Balises[1] ( Speed control by beacons ) is a train protection system used on the French railways and in London St …
24relay — Synonyms and related words: Le Mans, adder, air race, alternator, analytical control unit, analyzer, anchor watch, anode, armature, assign, autoconverter, automobile race, autostarter, autotransformer, battery charger, bicycle race, bit, boat… …
25List of inventors — This is a list of inventors. See also: List of scientists, Timeline of invention, List of inventions named after people, List of inventors killed by their own inventions, and . Alphabetical list compactTOC NOTOC A * Vitaly Mikhaylovich Abalakov,… …
26Electric shock — Electrocute redirects here. For the band, see Electrocute (band). An electric shock can occur upon contact of a human s body with any source of voltage high enough to cause sufficient current through the muscles or hair. The minimum current a… …
27Sales promotion — Marketing Key concepts Product marketing · Pricing …
28Technology during World War I — The machine gun was one of the decisive technologies during World War I. Picture: British Vickers machine gun crew on the Western Front. Technology during World War I reflected a trend toward industrialism and the application of mass production… …
29Aviation in World War I — One of the many innovations of World War I, aircraft were first used for reconnaissance purposes and later as fighters and bombers. Consequently, this was the first war which involved a struggle for control of the air, which turned it into… …
30Mossberg 500 — Type Shotgun Place of origin …
