11
Apparatus and screening parts and fixtures for use in the separation of solid matter and particulates from wastewater and stormwaters in stormwater and wastewater management systems and installations; flow modifying baffles
37
Building construction in relation to apparatus, installations and systems for water supply and sanitary services, for control of water flow and for separation of solids and particulates from water and sewage; installation, commission and repair of apparatus, installations and systems for water supply and sanitary services, for control of water flow and for separation of solids and particulates from water and sewage
40
Treatment of waste water, storm water and industrial effluents; separation of solids and particulates from water and sewage
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