41.21.00 Conveyors
41.21.23.46 Weigh-Belt Piece Material Conveyors
41.21.13 Automatic Guided Vehicle Systems 41.21.23 Piece Material Conveyors 41.21.23.13 Belt Piece Material Conveyors 41.21.23.16 Container Piece Material Conveyors 41.21.23.19 Drag-Chain Piece Material Conveyors 41.21.23.23 Hopper Piece Material Conveyors 41.21.23.26 Monorail Piece Material Conveyors 41.21.23.29 Power and Free Piece Material Conveyors 41.21.23.33 Reciprocating Piece Material Conveyors 41.21.23.36 Roller Piece Material Conveyors 41.21.23.39 Vibratory Piece Material Conveyors 41.21.23.43 Walking-Beam Piece Material Conveyors 41.21.23.46 Weigh-Belt Piece Material Conveyors 41.21.23.53 Postal Conveyors 41.21.26 Piece Material Diverter Gates 41.21.29 Piece Material Gravity Slides 41.21.33 Piece Material Transfer Cars 41.21.36 Piece Material Turntables 41.21.39 Piece Material Feeders 41.21.39.13 Piece Material Vibratory Feeders