Characteristics of a machine 1. Composed of man-made elements 2. The elements are arranged to transmit motion 3. Can transmit energy, and fulfill certain work for human being Constitution Parts of a machine: normally there are four parts, namely, Motors and Drivers, Controller, Working part, TransmissionCharacteristics of a machine: 1. Composed of man-made elements 2. The elements are arranged to transmit motion 3. Can transmit energy, and fulfill certain work for human being. Constitution: Parts of a machine: normally there are four parts, namely, Motors and Drivers, Controller, Working part, Transmission