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The Bombardier Cobra is an articulated, low-floor tram operated by Verkehrsbetriebe Zürich (VBZ) of Zürich and manufactured by Bombardier Transportation. The Cobra was originally designed by a consortium consisting of the ABB Group, Pininfarina, the Schindler Group and Schweizerische Industrie Gesellschaft (SIG), who built several Cobra prototypes; however, all production Cobras have been manufactured by Bombardier.