Conveyor machine is especially useful in applications involving the transport of heavy or bulky materials. This allow quick and efficient transport for a wide variety of materials, which make them very popular in the material handling and packaging industries. This is mechanical device or assembly that transport material with minimal effort. Conveyor machine usually consist of a frame that supports either rollers, wheels, or a belt, upon which materials move from one place to another. This may be powered by a motor, by gravity, or manually. These material handling systems come in many different varieties to suit the different products or materials that need to be transported.