any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks

a machine tool with a separate, upright stand; an electric drill is pressed into the work automatically or with a hand lever

a machine tool that polishes metal

a machine tool for shaping metal or wood

a specialized tool that allows a workpiece to be circularly indexed; that is, easily and precisely rotated to preset angles or circular divisions.

An Injection molding machine, also known as an injection press, is a machine for manufacturing plastic products by the injection molding process.