Assembly line conveyors provide production efficiencies by moving products and inventory smoothly through the production line. An engineered, integrated material handling system feeds parts to the assembly line as needed, controls the flow of products during production, and efficiently loads and unloads products before, during, and after assembly. Assembly line is manufacturing systems in which work-in-process moves in a sequential manner from one station to another. At each station, new parts are added or new assemblies are made, resulting in a finished product.