Vodafone Group Plc (VOD) is a British multinational telecommunications based out of Newbury, Berkshire, England. Founded in 1991, Vodafone offers a wide range of products and services across the globe. It operates in over 30 countries and partners with over 40 markets worldwide.
Originally Answered: What is a Mach number? It is the ratio of velocity of an object to the velocity of sound. If the Mach no is one then object is moving with the velocity of sound.
A steam turbine with the case opened. A turbine (from the Latin turbo, a vortex, related to the Greek ÏÏÏÎ²Î·, tyrbÄ, meaning  turbulence ), is a rotary mechanical device that extracts energy from a fluid flow and converts it into useful work. steam turbine with the case opened. A turbine (from the Latin turbo, a vortex, related to the Greek ÏÏÏÎ²Î·, tyrbÄ, meaning  turbulence ), is a rotary mechanical device that extracts energy from a fluid flow and converts it into useful work.