41 21 00 Conveyors
41 21 33 Piece Material Transfer Cars
41 21 13Automatic Guided Vehicle Systems41 21 23Piece Material Conveyors41 21 23.13Belt Piece Material Conveyors41 21 23.16Container Piece Material Conveyors41 21 23.19Drag-Chain Piece Material Conveyors41 21 23.23Hopper Piece Material Conveyors41 21 23.26Monorail Piece Material Conveyors41 21 23.29Power and Free Piece Material Conveyors41 21 23.33Reciprocating Piece Material Conveyors41 21 23.36Roller Piece Material Conveyors41 21 23.39Vibratory Piece Material Conveyors41 21 23.43Walking-Beam Piece Material Conveyors41 21 23.46Weigh-Belt Piece Material Conveyors41 21 23.53Postal Conveyors41 21 26Piece Material Diverter Gates41 21 29Piece Material Gravity Slides41 21 33Piece Material Transfer Cars41 21 36Piece Material Turntables41 21 39Piece Material Feeders41 21 39.13Piece Material Vibratory Feeders