Automatic production line conveyors; Band conveyors; Belt conveyors; Belts for conveyors; Chain conveyors; Circular conveyors; Conveyors (machines); Conveyors for controlling the movement of articles; Conveyors for rotating articles; Conveyors for solid materials; Fixed belt conveyors; Live-roller conveyors (machines); Machines in the nature of conveyors; Materials handling conveyors; Modular conveyors; Moving belt conveyors; Overhead conveyors; Roller conveyors; Spiral conveyors (machines)