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Waste water treatment assembly
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Water treatment tank by=pass unit with shut=off devices
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Apparatus for measuring the flow rate of liquids
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Vacuum cleaners with multiple vacuum cleaning systems
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Method and device for clearing and suctioning off settled sludge in settling tanks of sewage treatment plants
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Device for the extensive clearing and removal of settled sludge in round settling tanks of sewage treatment plants
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Wrist watch type electronic digital calculator - miniaturised keyboard lays against wrist with hinged cover having display on inside
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Screening assembly - for removal and dewatering of coarse solids from effluent
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Sewage settling basin travelling bridge - has pylons for rope suspension of bridge sections
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Travelling bridge for circular sewage settling basin - has central pylon as anchoring point for suspension ropes to bridge sections
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Sludge cleaning gantry - for parallel settling tanks with narrow dividing walls
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Sewage tank bottom cleaning mechanism gantry - for multiple elongated sewage treatment tanks side by side
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