Machines for cleaning sewers, drains, pipes and other water supply and drainage equipment and parts of all the aforesaid goods in this class

Maintenance, repair, unblocking, cleaning, clearing, descaling, sterilising, disinfecting, fumigating and deodorising of drainage and piping systems, sewers, manholes, gratings, culverts, chambers, gullies, flues and channels for the passage of liquids, solids or of gases; clearing and cleaning of pipework systems used in the manufacturing and refining industries, cleaning of tree roots; cleaning of cargo holds, ballast lines and storage tanks; removal of marine growth from ship's hulls; cleaning and degreasing of exterior and interior floor, ceiling and wall surfaces, airport runways and ship's decks; cleaning by means of sanding, scouring or by blasting; hygienic cleansing for buildings, vehicles, tanks, baths and pools; plumbing and glazing services; all included in class 37