A machine is a tool contains one or more parts that use energy to carry out an intended action. The devices are usually powered by mechanical, chemical, thermal or electrical means, and are often motorized. Historically, a power tool also requires moving parts to classify as a machine. However, the advent of electronics has led to the development of power tools without parts that are considered moving a machine.
The machine is a device that uses energy and work to achieve a predetermined goal. In physics, it is any and all devices that change the direction or intensity of force through the use of labor. They are those where energy comes from an external source, such as electric, thermal energy, among others. An electric drill in which the operator has only to push a button so that the same one executes the work is an automatic machine.