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DWA Industry Guide Watermanagement, Wastewater-Waste
Category "13 Operation, maintenance, repair" contains these sub-categories
occupational safety (2 companies)
Operational installations (7 companies)
Operational maintenance and surveillance (2 companies)
Repairs (3 companies)
Sewer cleaning (2 companies)
Sewer inspection, sewer documentation (6 companies)
No entries for this category