Apron conveyors; assembly line conveyor apparatus; automatic conveyor installations; automatic production line conveyors; band conveyors; belt conveyors; bucket conveyors; cable driven conveyor belts; chain conveyors; circular conveyors; continuous vertical conveyors; conveyor installations (other than for the transportation of people); conveyors (machines); conveyors for controlling the movement of articles; conveyors for rotating articles; conveyors for solid materials; conveyors for use in mines; conveyors for use in quarries; decanter centrifuges incorporating screw conveyors; drag chain conveyors; drives for conveyors; fixed belt conveyors; gravity conveyors (machines); industrial conveyors; materials handling conveyors; mechanical conveyors for the timber industry; modular conveyors; movable elevator conveyors; movable vibrating conveyors; movable worm conveyors; moving belt conveyors; overhead conveyors; pan conveyors; pneumatic tube conveyors; roller conveyor apparatus for movement of goods; roller conveyors; rotating screw conveyors; screw conveyors; spiral conveyors (machines); trough conveyors (machines); tube conveyors, hydraulic; tube conveyors, pneumatic; vertical bucket conveyors; vibrating conveyors; vibration conveyors for industrial use