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.
Baloncici/iStock/Getty Images. CNC machining is a fancy term for tools such as routers, grinders and milling machines that are guided by computer instead of by hand. Many CNC, or computer numerical control, machines still need humans to run them, however. These types of tools use CAD, or computer-aided design, to function.