Conveyors are an essential part of many industrial and manufacturing operations. They are used to move materials from one point to another, often over long distances or up and down inclines. Conveyors can be powered by electric motors, hydraulics, or gravity, depending on the application.There are many different types of conveyors available, each with its own advantages and disadvantages. Roller conveyors are one type of conveyor that is commonly used in warehouses and distribution centers.