7 Filters being parts of machines or engines; water, oil, fuel and chemical filters for machines, engines and motors not for land vehicles; air filtration machines; water filtration machines; portable filtration units being machines; machines and apparatus for collecting, exhausting, controlling or filtering waste products; machines for the treatment of insulating fluids; waste disposal units; filters for cleaning cooling air, for engines; filters for lubricants; fuel filters; fuel filter coalescers; grease filters being parts of machines; oil filters for engine lubrication systems; oil filters for engines; oil vapour filters being parts of machines or engines; oil mist eliminators; cartridges for filtering machines; filter cartridges; filter silencers and silencing apparatus for filters; filters being parts of industrial or household machines; frames and housing for filters; apparatus for separating water from oil and fuel; apparatus for separating liquids from gases; filters that filter liquid or air impurities in commercial and industrial pipes; equipment that removes fine particles of oil in the exhaust of gas turbines used for commercial and industrial purposes; separators for fuel, liquids, air and oil; separators for chemical processing; machines and apparatus for catchment, suction, settling and dust filters, powdery materials and waste products as well as for collecting and disposing of those materials; machines and apparatus for extracting water vapour, gas or smoke; filters for exhausts; filter presses; filters for nozzles, boilers, air compressors, steam condensers, heat exchangers, and/or strainers; parts and fittings for all of the aforesaid goods