Apparatus for mixing chemicals; Chemical handling machines; Drum handling apparatus; Emptying machines; Apparatus for filling containers; Automatic drum filling machines; Filling machines; Filling mechanisms; Drum filters; Filtering apparatus adapted for liquids with a high viscosity; Filtering machines; Filters being parts of engines; Fluid dispensing apparatus; Machines for dispensing liquids (other than vending); Agricultural implements, other than hand-operated; Agricultural machines; Agricultural apparatus (other than tractors); Hydraulic control apparatus for agricultural machines; Mechanical control apparatus for agricultural machines; Fluid pumping installations; Fluid pumps; Pumping apparatus (machines); Pumps for liquids (machines, other than self regulating fuel pumps in filling stations); Pumps for use in agriculture (machines); Fluid separation machines; Separating machines; Separators for liquids; Fluid pressure control valves; Fluid valves for agricultural use (parts of machines); Valves (mechanical) for regulating fluid flow; Valves for measuring fluid flow

Fluid filters; Flushing apparatus; Flushing tanks; Installations for chemical processing; Installations for the treatment of toxic chemicals; Apparatus for the removal of suspended solids from a liquid; Installations for the collection of liquids; Installations for the treatment of liquid suspensions; Installations for the treatment of liquids; Liquid level regulating valves; Filter apparatus for the separation of solids and liquids; Strainers for solids-liquids separation; Transportable apparatus for processing liquids; Transportable instruments for processing liquids