DWA Industry Guide Watermanagement, Wastewater-Waste
Assigned categories
3.2.2 Aeration devices for small sewage treatment plants
6.1.5 Filters, micro-strainers
6.2.9 Aeration installations for wastewater ponds, rivers, lakes
6.2.21 Blowers, blower installations
6.2.25 clear-water extraction systems
9.1.32 On-line measurement equipment
11.1.30 Production of fruit and vegetable products
11.1.54 Production of textiles