7 Industrial machine presses, namely filter presses and belt filter presses, and replacement parts thereof, namely press plates and frames; drying machines for use in drying sewage sludge; conveyors, namely sludge and scraper conveyors; and sludge pumps and waste water pumps
9 Automatic shut-off valves, electrical switches, electrical relays, electronic controllers, electrical control panels, switchboards, laboratory filter presses, laboratory membrane filter presses for use in the waste water treatment field
42 Architectural and civil engineering services in the waste water treatment industry; construction drafting in the waste water treatment industry; and technical consultation in the waste water treatment industry