Conveyors being machines; parts and accessories for conveyors being machines, namely, rollers, idlers, pulleys, drive heads, bin gates, rail clamps, couplings for machines, belts for machines, winches, belt monitoring assemblies, belt cleaners and ploughs, belt lifters, conveyor alignments, impact beds, and belt tracking assemblies; feeding and transfer apparatus for materials handling, namely, apron feeders, belt feeders, stackers, reclaimers and shiploaders; chutes being parts of machines; ...